EXHIBIT 32.1 CERTIFICATION OF CEO AND CFO
Published on April 21, 2008
Exhibit
32.1
CERTIFICATION
PURSUANT TO 18 U.S.C. SECTION 1350,
AS
ADOPTED PURSUANT TO
SECTION
906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Quarterly Report
on Form 10-Q of Southwest Airlines Co. (the “Company”) for the period ended
March 31, 2008 as filed with the Securities and Exchange Commission on the date
hereof (the “Report”), Gary C. Kelly, Chief Executive Officer and Vice Chairman
of the Board of Directors of the Company, and Laura H. Wright, Chief Financial
Officer of the Company, each certify pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
that:
(1) The
Report fully complies with the requirements of Section 13(a) or 15(d) of the
Securities Exchange Act of 1934, as amended; and
(2) The
information contained in the Report fairly presents, in all material respects,
the financial condition and results of operations of the Company.
Date: April
18, 2008
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By:
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/s/ Gary C.
Kelly
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Gary
C. Kelly
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Chief
Executive Officer and
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Vice
Chairman of the Board
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of
Directors
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By:
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/s/ Laura H.
Wright
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Laura
H. Wright
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Chief
Financial Officer
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