SEATTLE, June 3 /PRNewswire-FirstCall/ -- Alaska Air Group, Inc. (NYSE: ALK) today reported May operational results for its subsidiaries, Alaska Airlines (Alaska) and Horizon Air (Horizon). ALASKA AIRLINES Alaska reported a decrease in load factor to 76.8 percent in May 2009, compared to 77.8 percent in May 2008, on a 6.3 percent decline in available seat miles (ASMs) compared to the prior-year period. Alaska also reported that 85.7 percent of its flights arrived on time in May 2009, a 5.3-point increase compared to the 80.4 percent reported in May 2008. The following tables show the operational results for May 2009 and for the first five months of 2009, compared to the prior-year periods: May Year-to-Date --- ------------ 2009 2008 Change 2009 2008 Change Revenue passenger miles RPMs (000,000) 1,495 1,617 (7.5)% 7,148 7,710 (7.3)% Available seat miles ASMs (000,000) 1,947 2,078 (6.3)% 9,336 10,198 (8.5)% Passenger load factor 76.8% 77.8% (1.0)pts 76.6% 75.6% 1.0pts Revenue passengers (000) 1,298 1,472 (11.8)% 6,152 6,967 (11.7)% On-time arrivals as reported to U.S. DOT 85.7% 80.4% 5.3pts 77.7% 77.9% (0.2)pts HORIZON AIR Horizon reported a decrease in load factor to 71.7 percent in May 2009, compared to 73.6 percent in May 2008, on a 12.9 percent decline in capacity compared to the prior-year period. Horizon reported that 87.8 percent of its flights arrived on time in May 2009, a 0.3-point decrease compared to the 88.1 percent reported in May 2008. The following tables show the operational results for May 2009 and for the first five months of 2009, compared to the prior-year periods: May Year-to-Date --- ------------ 2009 2008 Change 2009 2008 Change RPMs (000,000) 199 234 (15.1)% 907 1,105 (17.9)% ASMs (000,000) 277 318 (12.9)% 1,331 1,567 (15.1)% Passenger load factor 71.7% 73.6% (1.9)pts 68.2% 70.5% (2.3)pts Revenue passengers (000) 555 647 (14.2)% 2,632 3,087 (14.8)% On-time arrivals 87.8% 88.1% (0.3)pts 84.3% 84.0% 0.3pts Alaska Airlines and Horizon Air, subsidiaries of Alaska Air Group (NYSE: ALK), together serve more than 90 cities through an expansive network in Alaska, the Lower 48, Hawaii, Canada and Mexico. For reservations, visit alaskaair.com. For more news and information, visit the Alaska Airlines/Horizon Air Newsroom at alaskaair.com/newsroom. DATASOURCE: Alaska Air Group, Inc. CONTACT: Media, Bobbie Egan, Media Relations Manager, +1-206-392-5134, or Investors/Analysts, Shannon Alberts, Managing Director of Investor Relations, +1-206-392-5218, both of Alaska Air Group, Inc. Web Site: http://www.alaskaair.com/

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