Southwest Airlines Reports March Traffic

DALLAS, April 4 /PRNewswire-FirstCall/ -- Southwest Airlines Co. (NYSE: LUV) announced today that the Company flew 6.1 billion revenue passenger miles (RPMs) in March 2007, a 4.3 percent increase from the 5.8 billion RPMs flown in March 2006. Available seat miles (ASMs) increased 7.5 percent to 8.3 billion from the March 2006 level of 7.7 billion. The load factor for the month was 73.3 percent, compared to 75.5 percent for the same period last year.

For first quarter 2007, Southwest flew 16.1 billion RPMs, compared to the 15.3 billion RPMs recorded for the same period in 2006, an increase of 5.4 percent. Available seat miles increased 7.2 percent to 23.7 billion from the 2006 level of 22.1 billion. The first quarter 2007 load factor was 68.0 percent, compared to 69.2 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_040407.



                                 SOUTHWEST AIRLINES CO.
                       PRELIMINARY COMPARATIVE TRAFFIC STATISTICS

                                                MARCH

                                      2007            2006         CHANGE

    Revenue passengers carried      7,532,224      7,264,211        3.7 %

    Enplaned passengers             8,631,060      8,337,128        3.5 %

    Revenue passenger miles (000)   6,084,426      5,832,077        4.3 %

    Available seat miles (000)      8,299,810      7,722,943        7.5 %

    Load factor                         73.3%          75.5%    (2.2) pts.

    Average length of haul                808            803        0.6 %

    Trips flown                        97,123         91,567        6.1 %


                                                YEAR-TO-DATE

                                      2007          2006          CHANGE

    Revenue passengers carried     19,968,143     19,199,488        4.0 %

    Enplaned passengers            22,903,073     22,015,484        4.0 %

    Revenue passenger miles (000)  16,109,071     15,280,497        5.4 %

    Available seat miles (000)     23,678,376     22,079,458        7.2 %

    Load factor                         68.0%          69.2%    (1.2) pts.

    Average length of haul                807            796        1.4 %

    Trips flown                       276,900        262,449        5.5 %

SOURCE Southwest Airlines Co.