Southwest Airlines Reports March Traffic

DALLAS, April 7, 2011 /PRNewswire/ -- Southwest Airlines Co. (NYSE: LUV) announced today that the Company flew 7.3 billion revenue passenger miles (RPMs) in March 2011, a 9.8 percent increase from the 6.7 billion RPMs flown in March 2010. Available seat miles (ASMs) increased 8.9 percent to 9.0 billion from the March 2010 level of 8.2 billion. The load factor for the month was 81.6 percent, compared to 81.0 percent for the same period last year. For March 2011, passenger revenue per ASM is estimated to have increased in the eight to nine percent range compared to March 2010.

For the first quarter of 2011, Southwest flew 19.2 billion RPMs, compared to 17.2 billion RPMs flown for the same period in 2011, an increase of 11.9 percent. Available seat miles increased 8.3 percent to 24.5 billion from the 2010 level of 22.6 billion. The year-to-date load factor was 78.3 percent, compared to 75.9 percent for the same period last year.

This release, as well as past news releases on Southwest, is available online at southwest.com.


SOUTHWEST AIRLINES CO.

PRELIMINARY COMPARATIVE TRAFFIC STATISTICS





                               MARCH



                               2011        2010        CHANGE





Revenue passengers carried     7,933,796   7,702,573   3.0 %



Enplaned passengers            9,689,544   9,155,156   5.8 %



Revenue passenger miles (000)  7,333,003   6,676,372   9.8 %



Available seat miles (000)     8,982,345   8,245,430   8.9 %



Load factor                    81.6%       81.0%       0.6 pts.



Average length of haul         924         867         6.6 %



Trips flown                    99,328      94,768      4.8 %







                               YEAR-TO-DATE



                               2011        2010        CHANGE





Revenue passengers carried     21,108,130  19,976,835  5.7 %



Enplaned passengers            25,599,118  23,694,464  8.0 %



Revenue passenger miles (000)  19,195,885  17,161,713  11.9 %



Available seat miles (000)     24,505,674  22,619,460  8.3 %



Load factor                    78.3%       75.9%       2.4 pts.



Average length of haul         909         859         5.8 %



Trips flown                    273,823     261,892     4.6 %

SOURCE Southwest Airlines Co.

Released April 7, 2011