Form: 10-Q

Quarterly report pursuant to Section 13 or 15(d)

April 15, 2005

EXHIBIT 10.1

Published on April 15, 2005

Exhibit 10.1

Supplemental Agreement No. 42

to

Purchase Agreement No. 1810

between

THE BOEING COMPANY

and

SOUTHWEST AIRLINES CO.


Relating to Boeing Model 737-7H4 Aircraft



THIS SUPPLEMENTAL AGREEMENT, entered into as of January 31, 2004, by
and between THE BOEING COMPANY, a Delaware corporation with principal offices
in Seattle, Washington, (Boeing) and SOUTHWEST AIRLINES CO., a Texas
corporation with principal offices in Dallas, Texas (Buyer);

WHEREAS, the parties hereto entered into Purchase Agreement No. 1810
dated January 19, 1994, relating to Boeing Model 737-7H4 aircraft (the
Agreement) and;

WHEREAS, Buyer has agreed to exercise two (2) April 2006 Block U-W
Option Aircraft and two (2) May 2006 Block U-W Option Aircraft (as Block T-W
Aircraft) and;

WHEREAS, Buyer and Boeing agreed to additional business considerations
applicable to Aircraft delivering January 2006 and on and;

WHEREAS, Buyer and Boeing agreed to business considerations associated
with certain production Master Changes and;

NOW THEREFORE, in consideration of the mutual covenants herein
contained, the parties agree to amend the Agreement as follows:


***Pursuant to 17 CFR 240.24b-2, confidential information has been omitted
and has been filed separately with the Securities and Exchange Commission
pursuant to a Confidential Treatment Application filed with the Commission.



1. The Table of Contents of the Agreement is deleted in its entirety and a
new Table of Contents is attached hereto and incorporated into the Agreement
by this reference.

P.A. No. 1810 SA-41-1
K/SWA

2. Table 1 is deleted in its entirety and replaced by a new Table 1 which
is attached hereto and is incorporated into the Agreement by this reference.

3. Table 2 is deleted in its entirety and replaced by a new Table 2 which
is attached hereto and is incorporated into the Agreement by this reference.

NOTE - Buyer now has forty-nine (49) 'banked' Rollover Option Aircraft as
a result of the option exercises covered by Supplemental Agreement No. 21,
23, 24, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41
and 42 that may be converted to Option Aircraft at a future date subject
to the terms of Letter Agreement No. 6-1162-RLL-933R19.

4. Letter Agreement No. 6-1162-JMG-669R2 entitled "Special Matters" is
deleted in its entirety and replaced by Agreement No. 6-1162-JMG-669R3
entitled "Special Matters" attached hereto and is hereby incorporated into
the Agreement by this reference.

5. All references in the Letter Agreements associated with Purchase
Agreement No. 1810 shall be deemed to refer to the purchase by Buyer of two
hundred eighty-five (285) Model 737-7H4 Aircraft, thirty-eight (38) Model
737-7H4 Option Aircraft and two hundred seventeen (217) Model 737-7H4
Rollover Option Aircraft, to the extent such reference is not specifically
addressed herein.

6. The Advance Payments due upon signing assuming execution of this
Supplemental Agreement on or before January 31, 2005 are:

*** for two (2) April 2006 aircraft
*** for two (2) May 2006 aircraft.

Buyer will pay the *** directly to Boeing on or before Monday, January 31,
2005.


The Agreement will be deemed to be supplemented to the extent herein provided
and as so supplemented will continue in full force and effect.

EXECUTED IN DUPLICATE as of the day and year first above written.

THE BOEING COMPANY SOUTHWEST AIRLINES CO.



By: /s/ Nobuko Wiles By:/s/ Laura Wright

Its: Attorney-In-Fact Its:SVP Finance & CFO








P.A. No. 1810 SA-41-2
K/SWA




TABLE OF CONTENTS


Page SA
Number Number

ARTICLES


1. Subject Matter of Sale 1-1 SA-13

2. Delivery, Title and Risk of Loss 2-1 SA-28

3. Price of Aircraft 3-1 SA-28

4. Taxes 4-1

5. Payment 5-1

6. Excusable Delay 6-1

7. Changes to the Detail Specification 7-1 SA-1

8. Federal Aviation Requirements and
Certificates and Export License 8-1

9. Representatives, Inspection,
Flights and Test Data 9-1

10. Assignment, Resale or Lease 10-1

11. Termination for Certain Events 11-1

12. Product Assurance; Disclaimer and
Release; Exclusion of Liabilities;
Customer Support; Indemnification
and Insurance 12-1

13. Buyer Furnished Equipment and
Spare Parts 13-1

14. Contractual Notices and Requests 14-1

15. Miscellaneous 15-1





P.A. No. 1810 i
K/SWA SA-42





TABLE OF CONTENTS CON'T


SA
Number

TABLE

1. Aircraft Information Table SA-42

2. Option Aircraft Information Table SA-42

EXHIBITS


A Aircraft Configuration SA-36

B Product Assurance Document SA-1

C Customer Support Document

D Price Adjustments Due to
Economic Fluctuations - Aircraft SA-13

E Buyer Furnished Equipment
Provisions Document

F Defined Terms Document





LETTER AGREEMENTS


1810-1 Waiver of Aircraft Demonstration Flight

P.A. No. 1810 ii
K/SWA SA-42






TABLE OF CONTENTS CON'T

SA
Number

RESTRICTED LETTER AGREEMENTS


6-1162-RLL-932R2 Promotional Support SA-13

6-1162-RLL-933R19 Option Aircraft SA-28

6-1162-RLL-934R3 Disclosure of Confidential SA-14
Information

6-1162-RLL-935R1 Performance Guarantees SA-1

6-1162-NIW-890 *** SA-39



6-1162-RLL-936R4 Certain Contractual Matters SA-4

6-1162-RLL-937 Alternate Advance Payment Schedule

6-1162-RLL-938 ***

6-1162-RLL-939R1 Certification Flight Test Aircraft SA-1

6-1162-RLL-940R1 Training Matters SA-1

6-1162-RLL-941R2 Other Matters SA-13

6-1162-RLL-942 Open Configuration Matters

6-1162-RLL-943R1 Substitution Rights SA-6

6-1162-RLL-944 Airframe Maintenance Material Cost
Protection Program

6-1162-RLL-945 Comparison of 737-7H4 and 737-3H4
Block Fuel Burn

6-1162-RLL-1855R3 Additional Contractual Matters SA-4

6-1162-RLL-1856 *** SA-1

6-1162-RLL-1857 Service Ready Validation Program SA-1
Field Test

6-1162-RLL-1858R1 Escalation Matters SA-4

P.A. No. 1810 iii
K/SWA SA-42



TABLE OF CONTENTS CON'T


SA
Number

RESTRICTED LETTER AGREEMENTS


6-1162-RLL-2036 Amortization of Costs for
Customer Unique Changes SA-1

6-1162-RLL-2037 Reconciliation of the Aircraft SA-1
Basic Price

6-1162-RLL-2073 Maintenance Training Matters SA-1

6-1162-KJJ-054 Business Matters SA-13

6-1162-KJJ-055R1 Structural Matters SA-25

6-1162-KJJ-056 Noise and Emission Matters SA-13

6-1162-KJJ-057 Product Development Matters SA-13

6-1162-KJJ-058 Additional Substitution Rights SA-13

6-1162-KJJ-150 Flight Control Computer & Mode SA-14
Control Panel Spares Matter

6-1162-MSA-185R3 Delivery Change Contractual SA-21
Matters

6-1162-JMG-669R3 Special Matters SA-42

6-1162-JMG-747R1 *** SA-36

6-1162-CHL-217 Rescheduled Flight Test Aircraft SA-32

66-1162-NIW-606R1 *** SA-36


6-1162-NIW-640 *** SA-35


6-1162-NIW-889 Warranty - Exterior Color Schemes SA-39
and Markings for YA143 and on

P.A. No. 1810 iv
K/SWA SA-42




Table 1 to
Purchase Agreement No. 1810
Aircraft Information Table





Base Aircraft Special Aircraft Basic Base Year
Price Features Price Dollars

Block A, B, C,
D & E Aircraft *** *** *** July 1992
Block F & G Aircraft *** *** *** July 1992
Block H Aircraft *** *** *** July 1992
Block I Aircraft *** *** *** July 1992
Block J Aircraft *** *** *** July 1992
Block K Aircraft *** *** *** July 1992
Block K-W Aircraft *** *** *** July 1992
Block L Aircraft *** *** *** July 1992
Block T Aircraft *** *** *** July 1999
Block T-W Aircraft *** *** *** July 1999


Block K-W Aircraft: Block K airplanes with production winglets installation
Block T-W Aircraft: Block T airplanes with production winglets installation


























SWA Page 1 SA 42



Table 1 to
Purchase Agreement No. 1810
Aircraft Information Table



Escalation Estimate
Delivery Number of Aircraft Adv Payment Base
Date Aircraft Block Price Per A/P

Dec-2000 2 E ***
Jan-2001 1 E ***
Feb-2001 1 E ***
Mar-2001 2 E ***
Jun-2001 3 E ***
Sep-2001 3 E ***
Oct-1998 1 F ***
Nov-1998 2 F ***
Dec-1998 2 F ***
Mar-1999 2 G ***
Jun-1999 2 H ***
Jul-1999 1 H ***
Aug-1999 1 H ***
Sep-1999 2 H ***
Oct-1999 1 H ***
Mar-2000 1 H ***
Apr-2000 2 H ***
Sep-2000 1 H ***
Oct-2000 2 H ***
Mar-2001 2 H ***
Apr-2001 1 H ***
Oct-2001 3 H ***
Nov-2001 2 I ***
Dec-2001 1 I ***
Jan-2002 1 I ***
Mar-2002 4 I ***
Apr-2002 2 I ***
Dec-2002 2 I ***
May-2003 1 I ***
Jun-2003 2 I ***
Jul-2003 1 I ***
Aug-2003 1 I ***
Sep-2003 3 I ***
Nov-2002 1 J ***
Dec-2002 1 J ***
Nov-2003 2 J ***
Dec-2003 2 J ***
Mar-2004 1 J ***
Mar-2004 1 K ***
Apr-2004 3 K ***
May-2004 1 K ***
Jun-2004 2 K ***
Jul-2004 2 K ***
SWA Page 2 SA 42



Sep-2004 1 K-W ***
Oct-2004 4 K-W ***
Oct-1999 1 L ***
Nov-1999 2 L ***
Dec-1999 1 L ***
Jun-2000 3 L ***
Jul-2000 3 L ***
Sep-2000 1 L ***
Oct-2000 1 L ***
Nov-2000 4 L ***
Dec-2000 1 L ***
Jan-2001 1 L ***
Feb-2001 1 L ***
Jul-2001 1 L ***
Sep-2001 1 L ***
Oct-2001 1 L ***
Mar-2003 2 L ***
Jul-2003 1 L ***
Aug-2003 2 L ***
Nov-2001 1 T ***
Feb-2002 1 T ***
Jan-2004 2 T ***
Feb-2004 1 T ***
Apr-2004 3 T ***
May-2004 1 T ***
Jun-2004 6 T ***
Jul-2004 2 T ***
Aug-2004 6 T-W ***
Sep-2004 4 T-W ***
Oct-2004 0 T-W ***
Nov-2004 3 T-W ***
Dec-2004 3 T-W ***
Jan-2005 5 T-W ***
Feb-2005 3 T-W ***
Mar-2005 4 T-W ***
Apr-2005 4 T-W ***
May-2005 2 T-W ***
Jun-2005 4 T-W ***
Jul-2005 2 T-W ***
Aug-2005 2 T-W ***
Sep-2005 3 T-W ***
Oct-2005 2 T-W ***
Nov-2005 2 T-W ***
Dec-2005 1 T-W ***
Jan-2006 1 T-W ***
Feb-2006 4 T-W ***
Mar-2006 3 T-W ***
Apr-2006 2 T-W ***
May-2006 5 T-W ***
Jun-2006 4 T-W ***
Jul-2006 1 T-W ***
Aug-2006 3 T-W ***
Sep-2006 3 T-W ***
SWA Page 3 SA 42

Nov-2006 2 T-W ***
Dec-2006 2 T-W ***
Jan-2007 2 T-W ***
Feb-2007 3 T-W ***
Mar-2007 2 T-W ***
Apr-2007 2 T-W ***
May-2007 2 T-W ***
Jun-2007 2 T-W ***
Jul-2007 2 T-W ***
Aug-2007 2 T-W ***
Sep-2007 2 T-W ***
Oct-2007 2 T-W ***
Nov-2007 2 T-W ***
Dec-2007 2 T-W ***
Jan-2008 1 T-W ***
Feb-2008 1 T-W ***
Mar-2008 1 T-W ***
Apr-2008 1 T-W ***
May-2008 1 T-W ***
Jun-2008 1 T-W ***

SWA Page 4 SA 42




Table 2 to Purchase Agreement No. 1810
(Letter Agreement No. 6-1162-RLL-933R19)
Option Aircraft Information Table






Price Description of Option Aircraft:
Base Aircraft Special Aircraft Basic Base Year
Price Features Price Dollars

Block U Option Aircraft *** *** *** July 1999
(without Winglets)
Block U-W Option *** *** *** July 1999
Aircraft
(with Winglets)



Delivery of Rollover Option Aircraft:


Year of Number of Option Aircraft Block
Delivery Option
Aircraft


2007 Twenty (20) Q
2008 Twenty (20) R
2009 Six (6) S
2009-2012 One Hundred V
Seventy-One
(171)

Remaining Option
Aircraft: 38


















Table 2 to Purchase Agreement No. 1810
(Letter Agreement No. 6-1162-RLL-933R19)
Option Aircraft Information Table

Aircraft Number of Option Adv Payment
Base
Delivery Option Aircraft Price Per
Mo. & Yr. Aircraft Block Option Aircraft Option Exercise

Jun-2006 1 U-W *** February 1, 2005
Jul-2006 2 U-W *** March 1, 2005
Oct-2006 1 U-W *** June 1, 2005
Apr-2007 1 U-W *** December 1, 2005
May-2007 1 U-W *** January 1, 2006
Jun-2007 1 U-W *** February 1, 2006
Jul-2007 1 U-W *** March 1, 2006
Aug-2007 1 U-W *** April 1, 2006
Sep-2007 1 U-W *** May 1, 2006
Oct-2007 1 U-W *** June 1, 2006
Nov-2007 1 U-W *** July 1, 2006
Dec-2007 1 U-W *** August 1, 2006
Jan-2008 2 U-W *** September 1, 2006
Feb-2008 3 U-W *** October 1, 2006
Mar-2008 2 U-W *** November 1, 2006
Apr-2008 2 U-W *** December 1, 2006
May-2008 2 U-W *** January 1, 2007
Jun-2008 2 U-W *** February 1, 2007
Jul-2008 2 U-W *** March 1, 2007
Aug-2008 2 U-W *** April 1, 2007
Sep-2008 2 U-W *** May 1, 2007
Oct-2008 2 U-W *** June 1, 2007
Nov-2008 2 U-W *** July 1, 2007
Dec-2008 2 U-W *** August 1, 2007


6-1162-JMG-669R3


Southwest Airlines Co.
P.O. Box 36611 - Love Field
Dallas, Texas 75235

Subject: Special Matters


This Letter Agreement amends Purchase Agreement No. 1810 dated as of January
19, 1994 (the Agreement) between The Boeing Company (Boeing) and Southwest
Airlines Co. (Buyer) relating to Model 737 aircraft:

1) ***
2) ***

All terms used and not defined herein will have the same meaning as in the
Agreement.

1. ***



2. ***







3. ***





4. ***






5. ***.



6. ***



7. ***
P.A. No. 1810 SA-42
K/SWA

Southwest Airlines Co.
6-1162-JMG-669R3
Page 2


8. ***



9. ***



10. Confidential Treatment.

Buyer understands that certain commercial and financial information contained
in this Letter Agreement including any attachments hereto is considered by
Boeing as confidential. Buyer agrees that it will treat this Letter
Agreement and the information contained herein as confidential and will not,
without the prior written consent of Boeing, disclose this Letter Agreement
or any information contained herein to any other person or entity except as
provided in Letter Agreement No. 6-1162-RLL-934, as amended.
Very truly yours,

THE BOEING COMPANY



By:/s/ Nobuko Wiles

Its Attorney-In-Fact


ACCEPTED AND AGREED TO this

date:January 31, 2005

SOUTHWEST AIRLINES CO.



By/s/ Laura Wright

Its SVP and CFO











P.A. No. 1810
K/SWA SA-42
Southwest Airlines Co.
Attachment A to 6-1162-JMG-669R3

***


















































P.A. No. 1810
K/SWA SA-42













Supplemental Agreement No. 43

to

Purchase Agreement No. 1810

between

THE BOEING COMPANY

and

SOUTHWEST AIRLINES CO.


Relating to Boeing Model 737-7H4 Aircraft



THIS SUPPLEMENTAL AGREEMENT, entered into as of February 28, 2005, by
and between THE BOEING COMPANY, a Delaware corporation with principal offices
in Seattle, Washington, (Boeing) and SOUTHWEST AIRLINES CO., a Texas
corporation with principal offices in Dallas, Texas (Buyer);

WHEREAS, the parties hereto entered into Purchase Agreement No. 1810
dated January 19, 1994, relating to Boeing Model 737-7H4 aircraft (the
Agreement) and;

WHEREAS, Buyer has agreed to exercise one (1) June 2006 Block U-W
Option Aircraft (as Block T-W Aircraft) and;

WHEREAS, Buyer and Boeing agreed to business considerations associated
with certain Out of Cycle engines and;

WHEREAS, Buyer and Boeing agreed to record the previously agreed upon
business considerations to address Buyer's concerns relative to certain
Airworthiness Directives and;

NOW THEREFORE, in consideration of the mutual covenants herein
contained, the parties agree to amend the Agreement as follows:

1. The Table of Contents of the Agreement is deleted in its entirety and a
new Table of Contents is attached hereto and incorporated into the Agreement
by this reference.

***Pursuant to 17 CFR 240.24b-2, confidential information has been omitted
and has been filed separately with the Securities and Exchange Commission
pursuant to a Confidential Treatment Application filed with the Commission.

2. Table 1 is deleted in its entirety and replaced by a new Table 1 which
is attached hereto and is incorporated into the Agreement by this reference.

3. Table 2 is deleted in its entirety and replaced by a new Table 2 which
is attached hereto and is incorporated into the Agreement by this reference.
P.A. No. 1810 SA-43-1
K/SWA


NOTE - Buyer now has fifty (50) 'banked' Rollover Option Aircraft as a
result of the option exercises covered by Supplemental Agreement No. 21,
23, 24, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42
and 43 that may be converted to Option Aircraft at a future date subject
to the terms of Letter Agreement No. 6-1162-RLL-933R19.

4. Letter Agreement No. 6-1162-JMG-669R3 entitled "Special Matters" is
deleted in its entirety and replaced by Agreement No. 6-1162-JMG-669R4 entitled
"Special Matters" attached hereto and is hereby incorporated into
the Agreement by this reference.

5. Letter Agreement No. 6-1162-NIW-1142 entitled "Certain Twenty-six (26)
Out of Cycle Engines" attached hereto is hereby incorporated into the
Agreement by this reference

6. All references in the Letter Agreements associated with Purchase
Agreement No. 1810 shall be deemed to refer to the purchase by Buyer of two
hundred eighty-six (286) Model 737-7H4 Aircraft, thirty-seven (37) Model 737
- -7H4 Option Aircraft and two hundred seventeen (217) Model 737-7H4 Rollover
Option Aircraft, to the extent such reference is not specifically addressed
herein.

7. The Advance Payments due upon signing assuming execution of this
Supplemental Agreement on or before February 28, 2005 are:

***for one (1) June 2006 aircraft

Buyer will pay the *** directly to Boeing on or before Monday, February 28,
2005.


The Agreement will be deemed to be supplemented to the extent herein provided
and as so supplemented will continue in full force and effect.

EXECUTED IN DUPLICATE as of the day and year first above written.

THE BOEING COMPANY SOUTHWEST AIRLINES CO.



By: /s/ Nobuko Wiles By:/s/ Laura Wright

Its: Attorney-In-Fact Its:SVP and CFO










P.A. No. 1810 SA-43-1
K/SWA



TABLE OF CONTENTS


Page SA
Number Number

ARTICLES


1. Subject Matter of Sale 1-1 SA-13

2. Delivery, Title and Risk
of Loss 2-1 SA-28

3. Price of Aircraft 3-1 SA-28

4. Taxes 4-1

5. Payment 5-1

6. Excusable Delay 6-1

7. Changes to the Detail
Specification 7-1 SA-1

8. Federal Aviation Requirements and
Certificates and Export License 8-1

9. Representatives, Inspection,
Flights and Test Data 9-1

10. Assignment, Resale or Lease 10-1

11. Termination for Certain Events 11-1

12. Product Assurance; Disclaimer and
Release; Exclusion of Liabilities;
Customer Support; Indemnification
and Insurance 12-1

13. Buyer Furnished Equipment and
Spare Parts 13-1

14. Contractual Notices and Requests 14-1

15. Miscellaneous 15-1






P.A. No. 1810 i
K/SWA SA-43



TABLE OF CONTENTS CON'T


SA
Number

TABLE

1. Aircraft Information Table SA-43

2. Option Aircraft Information Table SA-43

EXHIBITS


A Aircraft Configuration SA-36

B Product Assurance Document SA-1

C Customer Support Document

D Price Adjustments Due to
Economic Fluctuations - Aircraft SA-13

E Buyer Furnished Equipment
Provisions Document

F Defined Terms Document





LETTER AGREEMENTS


1810-1 Waiver of Aircraft Demonstration Flight















P.A. No. 1810 ii
K/SWA SA-43



TABLE OF CONTENTS CON'T

SA
Number

RESTRICTED LETTER AGREEMENTS


6-1162-RLL-932R2 Promotional Support SA-13

6-1162-RLL-933R19 Option Aircraft SA-28

6-1162-RLL-934R3 Disclosure of Confidential SA-14
Information

6-1162-RLL-935R1 Performance Guarantees SA-1

6-1162-NIW-890 *** SA-39


6-1162-RLL-936R4 Certain Contractual Matters SA-4

6-1162-RLL-937 Alternate Advance Payment Schedule

6-1162-RLL-938 ***

6-1162-RLL-939R1 Certification Flight Test Aircraft SA-1

6-1162-RLL-940R1 Training Matters SA-1

6-1162-RLL-941R2 Other Matters SA-13

6-1162-RLL-942 Open Configuration Matters

6-1162-RLL-943R1 Substitution Rights SA-6

6-1162-RLL-944 Airframe Maintenance Material Cost
Protection Program

6-1162-RLL-945 Comparison of 737-7H4 and 737-3H4
Block Fuel Burn

6-1162-RLL-1855R3 Additional Contractual Matters SA-4

6-1162-RLL-1856 *** SA-1

6-1162-RLL-1857 Service Ready Validation Program SA-1
Field Test

6-1162-RLL-1858R1 Escalation Matters SA-4


P.A. No. 1810 iii
K/SWA SA-43



TABLE OF CONTENTS CON'T


SA
Number

RESTRICTED LETTER AGREEMENTS


6-1162-RLL-2036 Amortization of Costs for
Customer Unique Changes SA-1

6-1162-RLL-2037 Reconciliation of the Aircraft SA-1
Basic Price

6-1162-RLL-2073 Maintenance Training Matters SA-1

6-1162-KJJ-054 Business Matters SA-13

6-1162-KJJ-055R1 Structural Matters SA-25

6-1162-KJJ-056 Noise and Emission Matters SA-13

6-1162-KJJ-057 Product Development Matters SA-13

6-1162-KJJ-058 Additional Substitution Rights SA-13

6-1162-KJJ-150 Flight Control Computer & Mode SA-14
Control Panel Spares Matter

6-1162-MSA-185R3 Delivery Change Contractual SA-21
Matters

6-1162-JMG-669R4 Special Matters SA-43

6-1162-JMG-747R1 *** SA-36

6-1162-CHL-217 Rescheduled Flight Test Aircraft SA-32

6-1162-NIW-606R1 *** SA-36

6-1162-NIW-640 *** SA-35


6-1162-NIW-889 Warranty - Exterior Color Schemes SA-39
and Markings for YA143 and on

6-1162-NIW-1142 *** SA-43




P.A. No. 1810 iv
K/SWA SA-43



Table 1 to
Purchase Agreement No. 1810
Aircraft Information Table


Base Aircraft Special Aircraft Basic Base Year
Price Features Price Dollars

Block A, B, C,
D & E Aircraft *** *** *** July 1992
Block F & G Aircraft *** *** *** July 1992
Block H Aircraft *** *** *** July 1992
Block I Aircraft *** *** *** July 1992
Block J Aircraft *** *** *** July 1992
Block K Aircraft *** *** *** July 1992
Block K-W Aircraft *** *** *** July 1992
Block L Aircraft *** *** *** July 1992
Block T Aircraft *** *** *** July 1999
Block T-W Aircraft *** *** *** July 1999


Block K-W Aircraft: Block K airplanes with production winglets installation
Block T-W Aircraft: Block T airplanes with production winglets installation


































Table 1 to
Purchase Agreement No. 1810
Aircraft Information Table


Escalation Estimate
Delivery Number of Aircraft Adv Payment Base
Date Aircraft Block Price Per A/P

Dec-2000 2 E ***
Jan-2001 1 E ***
Feb-2001 1 E ***
Mar-2001 2 E ***
Jun-2001 3 E ***
Sep-2001 3 E ***
Oct-1998 1 F ***
Nov-1998 2 F ***
Dec-1998 2 F ***
Mar-1999 2 G ***
Jun-1999 2 H ***
Jul-1999 1 H ***
Aug-1999 1 H ***
Sep-1999 2 H ***
Oct-1999 1 H ***
Mar-2000 1 H ***
Apr-2000 2 H ***
Sep-2000 1 H ***
Oct-2000 2 H ***
Mar-2001 2 H ***
Apr-2001 1 H ***
Oct-2001 3 H ***
Nov-2001 2 I ***
Dec-2001 1 I ***
Jan-2002 1 I ***
Mar-2002 4 I ***
Apr-2002 2 I ***
Dec-2002 2 I ***
May-2003 1 I ***
Jun-2003 2 I ***
Jul-2003 1 I ***
Aug-2003 1 I ***
Sep-2003 3 I ***
Nov-2002 1 J ***
Dec-2002 1 J ***
Nov-2003 2 J ***
Dec-2003 2 J ***
Mar-2004 1 J ***
Mar-2004 1 K ***
Apr-2004 3 K ***
May-2004 1 K ***
Jun-2004 2 K ***
Jul-2004 2 K ***
Sep-2004 1 K-W ***
Oct-2004 4 K-W ***

Oct-1999 1 L ***
Nov-1999 2 L ***
Dec-1999 1 L ***
Jun-2000 3 L ***
Jul-2000 3 L ***
Sep-2000 1 L ***
Oct-2000 1 L ***
Nov-2000 4 L ***
Dec-2000 1 L ***
Jan-2001 1 L ***
Feb-2001 1 L ***
Jul-2001 1 L ***
Sep-2001 1 L ***
Oct-2001 1 L ***
Mar-2003 2 L ***
Jul-2003 1 L ***
Aug-2003 2 L ***
Nov-2001 1 T ***
Feb-2002 1 T ***
Jan-2004 2 T ***
Feb-2004 1 T ***
Apr-2004 3 T ***
May-2004 1 T ***
Jun-2004 6 T ***
Jul-2004 2 T ***
Aug-2004 6 T-W ***
Sep-2004 4 T-W ***
Oct-2004 0 T-W ***
Nov-2004 3 T-W ***
Dec-2004 3 T-W ***
Jan-2005 5 T-W ***
Feb-2005 3 T-W ***
Mar-2005 4 T-W ***
Apr-2005 4 T-W ***
May-2005 2 T-W ***
Jun-2005 4 T-W ***
Jul-2005 2 T-W ***
Aug-2005 2 T-W ***
Sep-2005 3 T-W ***
Oct-2005 2 T-W ***
Nov-2005 2 T-W ***
Dec-2005 1 T-W ***
Jan-2006 1 T-W ***
Feb-2006 4 T-W ***
Mar-2006 3 T-W ***
Apr-2006 2 T-W ***
May-2006 5 T-W ***
Jun-2006 5 T-W ***
Jul-2006 1 T-W ***
Aug-2006 3 T-W ***
Sep-2006 3 T-W ***
Nov-2006 2 T-W ***
Dec-2006 2 T-W ***
Jan-2007 2 T-W ***
Feb-2007 3 T-W ***
Mar-2007 2 T-W ***

Apr-2007 2 T-W ***
May-2007 2 T-W ***
Jun-2007 2 T-W ***
Jul-2007 2 T-W ***
Aug-2007 2 T-W ***
Sep-2007 2 T-W ***
Oct-2007 2 T-W ***
Nov-2007 2 T-W ***
Dec-2007 2 T-W ***
Jan-2008 1 T-W ***
Feb-2008 1 T-W ***
Mar-2008 1 T-W ***
Apr-2008 1 T-W ***
May-2008 1 T-W ***
Jun-2008 1 T-W ***




Table 2 to Purchase Agreement No. 1810
(Letter Agreement No. 6-1162-RLL-933R19)
Option Aircraft Information Table



Price Description of Option Aircraft:

Base Aircraft Special Aircraft Basic Base Year
Price Features Price Dollars

Block U Option *** *** *** July 1999
Aircraft
(without Winglets)
Block U-W Option *** *** *** July 1999
Aircraft
(with Winglets)



Delivery of Rollover Option Aircraft:

Year of Number of Option Aircraft Block
Delivery Option
Aircraft

2007 Twenty (20) Q
2008 Twenty (20) R
2009 Six (6) S
2009- One Hundred V
2012 Seventy-One
(171)

Remaining Option
Aircraft: 37






















Table 2 to Purchase Agreement No. 1810
(Letter Agreement No. 6-1162-RLL-933R19)
Option Aircraft Information Table

Aircraft Number of Option Adv Payment
Base
Delivery Option Aircraft Price Per
Mo. & Yr. Aircraft Block Option Aircraft Option Exercise

Jul-2006 2 U-W *** March 1, 2005
Oct-2006 1 U-W *** June 1, 2005
Apr-2007 1 U-W *** December 1, 2005
May-2007 1 U-W *** January 1, 2006
Jun-2007 1 U-W *** February 1, 2006
Jul-2007 1 U-W *** March 1, 2006
Aug-2007 1 U-W *** April 1, 2006
Sep-2007 1 U-W *** May 1, 2006
Oct-2007 1 U-W *** June 1, 2006
Nov-2007 1 U-W *** July 1, 2006
Dec-2007 1 U-W *** August 1, 2006
Jan-2008 2 U-W *** September 1, 2006
Feb-2008 3 U-W *** October 1, 2006
Mar-2008 2 U-W *** November 1, 2006
Apr-2008 2 U-W *** December 1, 2006
May-2008 2 U-W *** January 1, 2007
Jun-2008 2 U-W *** February 1, 2007
Jul-2008 2 U-W *** March 1, 2007
Aug-2008 2 U-W *** April 1, 2007
Sep-2008 2 U-W *** May 1, 2007
Oct-2008 2 U-W *** June 1, 2007
Nov-2008 2 U-W *** July 1, 2007
Dec-2008 2 U-W *** August 1, 2007






6-1162-JMG-669R4


Southwest Airlines Co.
P.O. Box 36611 - Love Field
Dallas, Texas 75235

Subject: Special Matters


This Letter Agreement amends Purchase Agreement No. 1810 dated as of January
19, 1994 (the Agreement) between The Boeing Company (Boeing) and Southwest
Airlines Co. (Buyer) relating to Model 737 aircraft:

1) ***
2) ***

All terms used and not defined herein will have the same meaning as in the
Agreement.

1. ***


2. ***









3. ***





4. ***





5. ***



6. ***


7. ***

P.A. No. 1810
K/SWA SA-43

Southwest Airlines Co.
6-1162-JMG-669R3

8. ***


9. ***

10. Confidential Treatment.

Buyer understands that certain commercial and financial information contained
in this Letter Agreement including any attachments hereto is considered by
Boeing as confidential. Buyer agrees that it will treat this Letter
Agreement and the information contained herein as confidential and will not,
without the prior written consent of Boeing, disclose this Letter Agreement
or any information contained herein to any other person or entity except as
provided in Letter Agreement No. 6-1162-RLL-934, as amended.
Very truly yours,

THE BOEING COMPANY



By /s/ Nobuko Wiles

Its Attorney-In-Fact


ACCEPTED AND AGREED TO this

Date: February 28, 2005

SOUTHWEST AIRLINES CO.



By/s/ Laura Wright

Its SVP and CFO















P.A. No. 1810
K/SWA SA-43




Southwest Airlines Co.
Attachment A to 6-1162-JMG-669R4

***















































P.A. No. 1810
K/SWA SA-43



Southwest Airlines Co.
AttachmentB to 6-1162-JMG-669R4



***


*** *** ***

*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
P.A. No. 1810
K/SWA SA-43

*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***


6-1162-NIW-1142


Southwest Airlines Co.
P.O. Box 36611 - Love Field
Dallas, Texas 75235



Subject: ***

This Letter Agreement amends Purchase Agreement No. 1810 dated as
of January 19, 1994 (the Agreement) between The Boeing Company
(Boeing) and Southwest Airlines Co. (Buyer) relating to
Model 737-7H4 aircraft (Aircraft).

All terms used and not defined herein will have the same meaning
as in the Agreement.

***

***

***




Buyer understands that certain commercial and financial
information contained in this Letter Agreement is considered by
Boeing as confidential. Buyer agrees that it will treat this
Letter Agreement and the information contained herein as
confidential and will not, without the prior written consent of
Boeing, disclose this Letter Agreement or any information
contained herein to any other person or entity except as provided
in Letter Agreement No. 6-1162-RLL-934, as amended.



















P.A. No. 1810 SA-43


Very truly yours,

THE BOEING COMPANY



By/s/ Nobuko Wiles

Its Attorney-In-Fact



ACCEPTED AND AGREED TO this

date:February 23, 2005

SOUTHWEST AIRLINES CO.



By/s/ Deborah Ackerman

Its VP-General Counsel































PA 1810 SA-43

Southwest Airlines Co.
Attachment A to 6-1162-JMG-1142

***


***















































P.A. No. 1810
K/SWA SA-43

Southwest Airlines Co.
Attachment B to 6-1162-NIW-1142



Date: TBD
To: Southwest Airlines

***


***











































PA 1810 SA-43

Supplemental Agreement No. 44

to

Purchase Agreement No. 1810

between

THE BOEING COMPANY

and

SOUTHWEST AIRLINES CO.


Relating to Boeing Model 737-7H4 Aircraft



THIS SUPPLEMENTAL AGREEMENT, entered into as of March 31,
2005, by and between THE BOEING COMPANY, a Delaware corporation
with principal offices in Seattle, Washington, (Boeing) and
SOUTHWEST AIRLINES CO., a Texas corporation with principal
offices in Dallas, Texas (Buyer);

WHEREAS, the parties hereto entered into Purchase
Agreement No. 1810 dated January 19, 1994, relating to Boeing
Model 737-7H4 aircraft (the Agreement) and;

WHEREAS, Buyer has agreed to exercise two (2) July 2006
Block U-W Option Aircraft (as Block T-W Aircraft) and;

WHEREAS, Buyer and Boeing agreed to further define the
previously agreed upon business considerations to address Buyer's
concerns relative to certain Airworthiness Directives and;

WHEREAS, Buyer and Boeing agreed to certain business
considerations applicable to Aircraft delivering March 2005 and
on and;

NOW THEREFORE, in consideration of the mutual covenants
herein contained, the parties agree to amend the Agreement as
follows:


***Pursuant to 17 CFR 240.24b-2, confidential information has
been omitted and has been filed separately with the Securities
and Exchange Commission pursuant to a Confidential Treatment
Application filed with the Commission.

P.A. No. 1810 SA-44-1
K/SWA

1. The Table of Contents of the Agreement is deleted in its
entirety and a new Table of Contents is attached hereto and
incorporated into the Agreement by this reference.

2. Table 1 is deleted in its entirety and replaced by a new
Table 1 which is attached hereto and is incorporated into the
Agreement by this reference.

3. Table 2 is deleted in its entirety and replaced by a new
Table 2 which is attached hereto and is incorporated into the
Agreement by this reference.
NOTE - Buyer now has fifty-two (52) 'banked' Rollover Option
Aircraft as a result of the option exercises covered by
Supplemental Agreement No. 21, 23, 24, 26, 27, 28, 29, 30, 31,
32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43 and 44 that may
be converted to Option Aircraft at a future date subject to
the terms of Letter Agreement No. 6-1162-RLL-933R19.

4. Letter Agreement No. 6-1162-JMG-669R4 entitled "Special
Matters" is deleted in its entirety and replaced by Agreement No.
6-1162-JMG-669R5 entitled "Special Matters" attached hereto and
is hereby incorporated into the Agreement by this reference.

5. All references in the Letter Agreements associated with
Purchase Agreement No. 1810 shall be deemed to refer to the
purchase by Buyer of two hundred eighty-eight (288) Model 737-7H4
Aircraft, thirty-five (35) Model 737-7H4 Option Aircraft and two
hundred seventeen (217) Model 737-7H4 Rollover Option Aircraft,
to the extent such reference is not specifically addressed
herein.

6. The Advance Payments due upon signing assuming execution
of this Supplemental Agreement on or before March 31, 2005 are:

*** for two (2) July 2006 aircraft (***each)

Buyer will pay the *** directly to Boeing on or before Thursday,
March 31, 2005.




P.A. No. 1810 SA-44-2
K/SWA

The Agreement will be deemed to be supplemented to the extent
herein provided and as so supplemented will continue in full
force and effect.

EXECUTED IN DUPLICATE as of the day and year first above written.

THE BOEING COMPANY SOUTHWEST AIRLINES CO.



By: /s/Nobuko Wiles By:/s/ Tammy Romo

Its: Attorney-In-Fact Its:Vice President & Treasurer






P.A. No. 1810 SA-44-3
K/SWA




TABLE OF CONTENTS


Page SA
Number Number

ARTICLES


1. Subject Matter of Sale 1-1 SA-13

2. Delivery, Title and Risk of Loss 2-1 SA-28

3. Price of Aircraft 3-1 SA-28

4. Taxes 4-1

5. Payment 5-1

6. Excusable Delay 6-1

7. Changes to the Detail Specification 7-1 SA-1

8. Federal Aviation Requirements and
Certificates and Export License 8-1

9. Representatives, Inspection, Flights and Test Data 9-1

10. Assignment, Resale or Lease 10-1

11. Termination for Certain Events 11-1

12. Product Assurance; Disclaimer and Release;
Exclusion of Liabilities; Customer Support;
Indemnification and Insurance 12-1

13. Buyer Furnished Equipment and Spare Parts 13-1

14. Contractual Notices and Requests 14-1

15. Miscellaneous 15-1


P.A. No. 1810 i
K/SWA SA-44



TABLE OF CONTENTS CON'T


SA
Number

TABLE

1. Aircraft Information Table SA-44

2. Option Aircraft Information Table SA-44

EXHIBITS


A Aircraft Configuration SA-36

B Product Assurance Document SA-1

C Customer Support Document

D Price Adjustments Due to
Economic Fluctuations - Aircraft SA-13

E Buyer Furnished Equipment
Provisions Document

F Defined Terms Document





LETTER AGREEMENTS


1810-1 Waiver of Aircraft Demonstration Flight



P.A. No. 1810 ii
K/SWA SA-44



TABLE OF CONTENTS CON'T

SA
Number

RESTRICTED LETTER AGREEMENTS


6-1162-RLL-932R2 Promotional Support SA-13

6-1162-RLL-933R19 Option Aircraft SA-28

6-1162-RLL-934R3 Disclosure of Confidential SA-14
Information

6-1162-RLL-935R1 Performance Guarantees SA-1

6-1162-NIW-890 *** SA-39


6-1162-RLL-936R4 Certain Contractual Matters SA-4

6-1162-RLL-937 Alternate Advance Payment Schedule

6-1162-RLL-938 ***

6-1162-RLL-939R1 Certification Flight Test Aircraft SA-1

6-1162-RLL-940R1 Training Matters SA-1

6-1162-RLL-941R2 Other Matters SA-13

6-1162-RLL-942 Open Configuration Matters

6-1162-RLL-943R1 Substitution Rights SA-6

6-1162-RLL-944 Airframe Maintenance Material Cost
Protection Program

6-1162-RLL-945 Comparison of 737-7H4 and 737-3H4
Block Fuel Burn

6-1162-RLL-1855R3 Additional Contractual Matters SA-4

6-1162-RLL-1856 *** SA-1

6-1162-RLL-1857 Service Ready Validation Program SA-1
Field Test

6-1162-RLL-1858R1 Escalation Matters SA-4


P.A. No. 1810 iii
K/SWA SA-44



TABLE OF CONTENTS CON'T


SA
Number

RESTRICTED LETTER AGREEMENTS


6-1162-RLL-2036 Amortization of Costs for
Customer Unique Changes SA-1

6-1162-RLL-2037 Reconciliation of the Aircraft SA-1
Basic Price

6-1162-RLL-2073 Maintenance Training Matters SA-1

6-1162-KJJ-054 Business Matters SA-13

6-1162-KJJ-055R1 Structural Matters SA-25

6-1162-KJJ-056 Noise and Emission Matters SA-13

6-1162-KJJ-057 Product Development Matters SA-13

6-1162-KJJ-058 Additional Substitution Rights SA-13

6-1162-KJJ-150 Flight Control Computer & Mode SA-14
Control Panel Spares Matter

6-1162-MSA-185R3 Delivery Change Contractual SA-21
Matters

6-1162-JMG-669R5 Special Matters SA-44

6-1162-JMG-747R1 *** SA-36

6-1162-CHL-217 Rescheduled Flight Test Aircraft SA-32

6-1162-NIW-606R1 *** SA-36


6-1162-NIW-640 *** SA-35


6-1162-NIW-889 Warranty - Exterior Color Schemes SA-39
and Markings for YA143 and on

6-1162-NIW-1142 *** SA-43


P.A. No. 1810 iv
K/SWA SA-44




Table 1 to
Purchase Agreement No. 1810
Aircraft Information Table





Base Aircraft Special Aircraft Basic Base Year
Price Features Price Dollars

Block A, B, C,
D & E Aircraft *** *** *** July 1992
Block F & G Aircraft *** *** *** July 1992
Block H Aircraft *** *** *** July 1992
Block I Aircraft *** *** *** July 1992
Block J Aircraft *** *** *** July 1992
Block K Aircraft *** *** *** July 1992
Block K-W Aircraft *** *** *** July 1992
Block L Aircraft *** *** *** July 1992
Block T Aircraft *** *** *** July 1999
Block T-W Aircraft *** *** *** July 1999


Block K-W Aircraft: Block K airplanes with production winglets installation
Block T-W Aircraft: Block T airplanes with production winglets installation


























SWA Page 1 SA 44



Table 1 to
Purchase Agreement No. 1810
Aircraft Information Table



Escalation Estimate
Delivery Number of Aircraft Adv Payment Base
Date Aircraft Block Price Per A/P

Dec-2000 2 E ***
Jan-2001 1 E ***
Feb-2001 1 E ***
Mar-2001 2 E ***
Jun-2001 3 E ***
Sep-2001 3 E ***
Oct-1998 1 F ***
Nov-1998 2 F ***
Dec-1998 2 F ***
Mar-1999 2 G ***
Jun-1999 2 H ***
Jul-1999 1 H ***
Aug-1999 1 H ***
Sep-1999 2 H ***
Oct-1999 1 H ***
Mar-2000 1 H ***
Apr-2000 2 H ***
Sep-2000 1 H ***
Oct-2000 2 H ***
Mar-2001 2 H ***
Apr-2001 1 H ***
Oct-2001 3 H ***
Nov-2001 2 I ***
Dec-2001 1 I ***
Jan-2002 1 I ***
Mar-2002 4 I ***
Apr-2002 2 I ***
Dec-2002 2 I ***
May-2003 1 I ***
Jun-2003 2 I ***
Jul-2003 1 I ***
Aug-2003 1 I ***
Sep-2003 3 I ***
Nov-2002 1 J ***
Dec-2002 1 J ***
Nov-2003 2 J ***
Dec-2003 2 J ***
Mar-2004 1 J ***
Mar-2004 1 K ***
Apr-2004 3 K ***
May-2004 1 K ***
Jun-2004 2 K ***
Jul-2004 2 K ***
Sep-2004 1 K-W ***
Oct-2004 4 K-W ***
Oct-1999 1 L ***


SWA Page 2 SA 44

Nov-1999 2 L ***
Dec-1999 1 L ***
Jun-2000 3 L ***
Jul-2000 3 L ***
Sep-2000 1 L ***
Oct-2000 1 L ***
Nov-2000 4 L ***
Dec-2000 1 L ***
Jan-2001 1 L ***
Feb-2001 1 L ***
Jul-2001 1 L ***
Sep-2001 1 L ***
Oct-2001 1 L ***
Mar-2003 2 L ***
Jul-2003 1 L ***
Aug-2003 2 L ***
Nov-2001 1 T ***
Feb-2002 1 T ***
Jan-2004 2 T ***
Feb-2004 1 T ***
Apr-2004 3 T ***
May-2004 1 T ***
Jun-2004 6 T ***
Jul-2004 2 T ***
Aug-2004 6 T-W ***
Sep-2004 4 T-W ***
Oct-2004 0 T-W ***
Nov-2004 3 T-W ***
Dec-2004 3 T-W ***
Jan-2005 5 T-W ***
Feb-2005 3 T-W ***
Mar-2005 4 T-W ***
Apr-2005 4 T-W ***
May-2005 2 T-W ***
Jun-2005 4 T-W ***
Jul-2005 2 T-W ***
Aug-2005 2 T-W ***
Sep-2005 3 T-W ***
Oct-2005 2 T-W ***
Nov-2005 2 T-W ***
Dec-2005 1 T-W ***
Jan-2006 1 T-W ***
Feb-2006 4 T-W ***
Mar-2006 3 T-W ***
Apr-2006 2 T-W ***
May-2006 5 T-W ***
Jun-2006 5 T-W ***
Jul-2006 3 T-W ***
Aug-2006 3 T-W ***
Sep-2006 3 T-W ***
SWA Page 3 SA 44

Nov-2006 2 T-W ***
Dec-2006 2 T-W ***
Jan-2007 2 T-W ***
Feb-2007 3 T-W ***
Mar-2007 2 T-W ***
Apr-2007 2 T-W ***
May-2007 2 T-W ***
Jun-2007 2 T-W ***
Jul-2007 2 T-W ***
Aug-2007 2 T-W ***
Sep-2007 2 T-W ***
Oct-2007 2 T-W ***
Nov-2007 2 T-W ***
Dec-2007 2 T-W ***
Jan-2008 1 T-W ***
Feb-2008 1 T-W ***
Mar-2008 1 T-W ***
Apr-2008 1 T-W ***
May-2008 1 T-W ***
Jun-2008 1 T-W ***

SWA Page 4 SA 44



Table 2 to Purchase Agreement No. 1810
(Letter Agreement No. 6-1162-RLL-933R19)
Option Aircraft Information Table



Price Description of Option Aircraft:

Base Aircraft Special Aircraft Basic Base Year
Price Features Price Dollars

Block U Option *** *** *** July 1999
Aircraft
(without Winglets)
Block U-W Option *** *** *** July 1999
Aircraft
(with Winglets)



Delivery of Rollover Option Aircraft:

Year of Number of Option Aircraft Block
Delivery Option
Aircraft

2007 Twenty (20) Q
2008 Twenty (20) R
2009 Six (6) S
2009- One Hundred V
2012 Seventy-One
(171)

Remaining Option
Aircraft: 35


















SWA Page 1 SA-44



Table 2 to Purchase Agreement No. 1810
(Letter Agreement No. 6-1162-RLL-933R19)
Option Aircraft Information Table

Aircraft Number of Option Adv Payment
Base
Delivery Option Aircraft Price Per
Mo. & Yr. Aircraft Block Option Aircraft Option Exercise

Oct-2006 1 U-W *** June 1, 2005
Apr-2007 1 U-W *** December 1, 2005
May-2007 1 U-W *** January 1, 2006
Jun-2007 1 U-W *** February 1, 2006
Jul-2007 1 U-W *** March 1, 2006
Aug-2007 1 U-W *** April 1, 2006
Sep-2007 1 U-W *** May 1, 2006
Oct-2007 1 U-W *** June 1, 2006
Nov-2007 1 U-W *** July 1, 2006
Dec-2007 1 U-W *** August 1, 2006
Jan-2008 2 U-W *** September 1, 2006
Feb-2008 3 U-W *** October 1, 2006
Mar-2008 2 U-W *** November 1, 2006
Apr-2008 2 U-W *** December 1, 2006
May-2008 2 U-W *** January 1, 2007
Jun-2008 2 U-W *** February 1, 2007
Jul-2008 2 U-W *** March 1, 2007
Aug-2008 2 U-W *** April 1, 2007
Sep-2008 2 U-W *** May 1, 2007
Oct-2008 2 U-W *** June 1, 2007
Nov-2008 2 U-W *** July 1, 2007
Dec-2008 2 U-W *** August 1, 2007

SWA Page 2 SA-44

6-1162-JMG-669R5


Southwest Airlines Co.
P.O. Box 36611 - Love Field
Dallas, Texas 75235

Subject: Special Matters


This Letter Agreement amends Purchase Agreement No. 1810 dated as
of January 19, 1994 (the Agreement) between The Boeing Company
(Boeing) and Southwest Airlines Co. (Buyer) relating to Model 737
aircraft:

1) ***
2) ***

All terms used and not defined herein will have the same meaning
as in the Agreement.

1. ***


2. ***









3. ***





4. ***





5. ***




P.A. No. 1810
K/SWA SA-44

Southwest Airlines Co.
6-1162-JMG-669R5
6. ***


7. ***

8. ***


9. ***

10. Confidential Treatment.

Buyer understands that certain commercial and financial
information contained in this Letter Agreement including any
attachments hereto is considered by Boeing as confidential.
Buyer agrees that it will treat this Letter Agreement and the
information contained herein as confidential and will not,
without the prior written consent of Boeing, disclose this Letter
Agreement or any information contained herein to any other person
or entity except as provided in Letter Agreement
No. 6-1162-RLL-934, as amended.
Very truly yours,

THE BOEING COMPANY



By /s/ Nobuko Wiles

Its Attorney-In-Fact


ACCEPTED AND AGREED TO this

Date: March 31, 2005

SOUTHWEST AIRLINES CO.



By/s/ Tammy Romo

Its Vice President & Treasurer















P.A. No. 1810
K/SWA SA-44




Southwest Airlines Co.
Attachment A to 6-1162-JMG-669R5

***















































P.A. No. 1810
K/SWA SA-44



Southwest Airlines Co.
AttachmentB to 6-1162-JMG-669R5



***


*** *** ***

*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***
*** *** ***

P.A. No. 1810
K/SWA SA-44