Southwest Airlines Reports May Traffic

DALLAS, June 4 /PRNewswire-FirstCall/ -- Southwest Airlines Co. (NYSE: LUV) announced today that the Company flew 6.3 billion revenue passenger miles (RPMs) in May 2007, a 5.2 percent increase from the 6.0 billion RPMs flown in May 2006. Available seat miles (ASMs) increased 9.2 percent to 8.5 billion from the May 2006 level of 7.8 billion. The load factor for the month was 74.0 percent, compared to 76.8 percent for the same period last year.

For the first five months of 2007, Southwest flew 28.3 billion RPMs, compared to the 27.0 billion RPMs recorded for the same period of 2006, an increase of 4.9 percent. Available seat miles increased 8.1 percent to 40.3 billion from the 2006 level of 37.3 billion. The year-to-date load factor was 70.1 percent, compared to 72.3 percent for the same period last year.

This release, as well as past news releases on Southwest, are available online at http://www.southwest.com/?src=IR_060407.



                            SOUTHWEST AIRLINES CO.
                  PRELIMINARY COMPARATIVE TRAFFIC STATISTICS

                                                     MAY

                                        2007          2006        CHANGE


     Revenue passengers carried      7,820,858     7,406,651       5.6 %
     Enplaned passengers             8,929,948     8,488,998       5.2 %
     Revenue passenger miles (000)   6,268,313     5,959,458       5.2 %
     Available seat miles (000)      8,473,683     7,761,120       9.2 %
     Load factor                         74.0%         76.8%  (2.8) pts.
     Average length of haul                801           805      (0.5)%
     Trips flown                        98,504        91,854       7.2 %



                                                 YEAR-TO-DATE

                                        2007          2006        CHANGE


     Revenue passengers carried     35,160,459    33,680,291       4.4 %
     Enplaned passengers            40,267,998    38,635,221       4.2 %
     Revenue passenger miles (000)  28,299,372    26,973,507       4.9 %
     Available seat miles (000)     40,341,540    37,311,131       8.1 %
     Load factor                         70.1%         72.3%  (2.2) pts.
     Average length of haul                805           801       0.5 %
     Trips flown                       471,072       442,921       6.4 %

SOURCE Southwest Airlines Co.