Southwest Airlines May Traffic up 10.6%

Southwest Airlines Co. LUV today reported May 2011 traffic results for Southwest Airlines and AirTran Airways. AirTran Airways became a wholly owned subsidiary of Southwest Airlines Co. on May 2, 2011. For purposes of comparability, the Company is providing combined traffic results for Southwest Airlines and AirTran Airways for periods prior to the acquisition date. The Company flew 9.2 billion revenue passenger miles (RPMs) in May 2011, compared to 8.3 billion combined RPMs flown in May 2010, an increase of 10.6 percent. Available seat miles (ASMs) increased 4.2 percent to 11.1 billion from the May 2010 combined level of 10.7 billion. The load factor for the month was 82.7 percent, compared to the combined load factor of 77.9 percent in May 2010.