DALLAS, June 3 /PRNewswire-FirstCall/ -- Southwest Airlines Co. (NYSE: LUV) announced today that the Company flew 6.4 billion revenue passenger miles (RPMs) in May 2009, a 3.6 percent decrease from the 6.7 billion RPMs flown in May 2008. Available seat miles (ASMs) decreased 3.2 percent to 8.6 billion from the May 2008 level of 8.9 billion. The load factor for the month was 74.6 percent, compared to 74.9 percent for the same period last year. For May 2009, passenger revenue per ASM is estimated to have decreased in the nine percent range as compared to May 2008. For the five months ended May 31, 2009, Southwest flew 29.8 billion RPMs, compared to the 30.5 billion RPMs recorded for the same period of 2008, a decrease of 2.2 percent. Available seat miles decreased 3.4 percent to 41.3 billion from the 2008 level of 42.7 billion. The year-to-date load factor was 72.3 percent, compared to 71.4 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=INVRINVMYTR000000090603. SOUTHWEST AIRLINES CO. PRELIMINARY COMPARATIVE TRAFFIC STATISTICS MAY ------------------------------------- 2009 2008 CHANGE -------- ------- -------- Revenue passengers carried 7,470,271 8,143,173 (8.3)% Enplaned passengers 8,685,825 9,304,834 (6.7)% Revenue passenger miles (000) 6,434,369 6,672,655 (3.6)% Available seat miles (000) 8,624,950 8,914,187 (3.2)% Load factor 74.6% 74.9% (0.3) pts. Average length of haul 861 819 5.1% Trips flown 97,273 102,294 (4.9)% YEAR-TO-DATE --------------------------------------- 2009 2008 CHANGE --------- -------- ---------- Revenue passengers carried 34,781,474 37,315,154 (6.8)% Enplaned passengers 40,550,319 42,807,847 (5.3)% Revenue passenger miles (000) 29,843,854 30,526,198 (2.2)% Available seat miles (000) 41,260,136 42,733,005 (3.4)% Load factor 72.3% 71.4% 0.9 pts. Average length of haul 858 818 4.9% Trips flown 472,865 497,391 (4.9)% http://www.newscom.com/cgi-bin/prnh/20040715/DATH028-a http://www.newscom.com/cgi-bin/prnh/20010718/SWNULOOK http://www.newscom.com/cgi-bin/prnh/20010724/SWALOGO http://photoarchive.ap.org/ DATASOURCE: Southwest Airlines Co. CONTACT: Investor Relations of Southwest Airlines, +1-214-792-4415 Web Site: http://www.southwest.com/

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