Southwest Airlines Reports December Traffic

DALLAS, Jan. 6 /PRNewswire-FirstCall/ -- Southwest Airlines Co. (NYSE: LUV) announced today that the Company flew 5.8 billion revenue passenger miles (RPMs) in December 2008, a 1.1 percent increase from the 5.7 billion RPMs flown in December 2007. Available seat miles (ASMs) decreased 1.0 percent to 8.3 billion from the December 2007 level of 8.4 billion. The load factor for the month was 69.7 percent, compared to 68.2 percent for the same period last year.

For the fourth quarter 2008, Southwest flew 17.3 billion RPMs, a 1.4 percent decrease from the 17.5 billion RPMs recorded for the same period in 2007. Available seat miles increased 0.8 percent to 25.5 billion from the fourth quarter 2007 level of 25.3 billion. The fourth quarter 2008 load factor was 67.8 percent, compared to 69.3 percent for the same period last year.

For the year ended December 31, 2008, Southwest flew 73.5 billion RPMs, a 1.6 percent increase from the 72.3 billion RPMs recorded for the same period in 2007. Available seat miles increased 3.6 percent to 103.3 billion from the 2007 level of 99.6 billion. The year-to-date load factor was 71.2 percent, compared to 72.6 percent for the same period last year.

This release, as well as past news releases on Southwest, are available online at http://southwest.com/?src=INVRINVDETR0000000090106.

                                SOUTHWEST AIRLINES CO.
                    PRELIMINARY COMPARATIVE TRAFFIC STATISTICS

                                                    DECEMBER
                                                    --------

                                          2008         2007      CHANGE
                                          ----         ----      ------

      Revenue passengers carried        6,787,773    7,003,152   (3.1)%

      Enplaned passengers               7,964,829    8,079,893   (1.4)%

      Revenue passenger miles (000s)    5,794,390    5,728,562    1.1%

      Available seat miles (000s)       8,318,347    8,404,268   (1.0)%

      Load factor                           69.7%        68.2%    1.5 pts.

      Average length of haul                  854          818    4.4%

      Trips flown                          95,813       98,263   (2.5)%



                                                 FOURTH QUARTER
                                                 --------------

                                          2008         2007      CHANGE
                                          ----         ----      ------


      Revenue passengers carried       20,799,765   21,757,154   (4.4)%

      Enplaned passengers              23,974,845   24,875,699   (3.6)%

      Revenue passenger miles (000s)   17,265,177   17,505,282   (1.4)%

      Available seat miles (000s)      25,455,786   25,258,958    0.8%

      Load factor                           67.8%        69.3%   (1.5) pts.

      Average length of haul                  830          805    3.1%

      Trips flown                         292,392      295,370   (1.0)%



                                                   YEAR-TO-DATE
                                                   ------------

                                          2008        2007      CHANGE
                                          ----        ----      ------


      Revenue passengers carried       88,540,941   88,713,472   (0.2)%

      Enplaned passengers             101,920,598  101,910,809     -

      Revenue passenger miles (000s)   73,491,687   72,318,812    1.6%

      Available seat miles (000s)     103,271,343   99,635,967    3.6%

      Load factor                           71.2%        72.6%   (1.4) pts.

      Average length of haul                  830          815    1.8%

      Trips flown                       1,191,151    1,160,699    2.6%


SOURCE Southwest Airlines Co.