SkyWest, Inc. Reports Combined December Traffic for SkyWest Airlines and Atlantic Southeast Airlines

ST. GEORGE, Utah, Jan. 14 /PRNewswire-FirstCall/ -- SkyWest, Inc. (Nasdaq: SKYW) reported a 9.1 percent decrease in available seat miles (ASMs) for December, while revenue passenger miles (RPMs) decreased by 3.3 percent compared to the same period last year. The combined airlines generated 1.7 billion ASMs and 1.3 billion RPMs for the month. Load factor was up 4.6 percentage points to 78.2% compared to 73.6% for the same period last year. Passenger boardings for December totaled 2,634,566 a 1.9 percent decrease over December 2007.

SkyWest Airlines, based in St. George, Utah, and Atlantic Southeast Airlines (“ASA”), based in Atlanta, Georgia, are wholly owned subsidiaries of SkyWest, Inc. SkyWest Airlines operates as United Express, Delta Connection and Midwest Connect carriers under contractual agreements with United Airlines, Delta Air Lines and Midwest Airlines. ASA operates as a Delta Connection carrier under a contractual agreement with Delta Air Lines. System-wide, SkyWest, Inc. serves a total of approximately 218 cities in the United States, Canada, Mexico and the Caribbean, with nearly 2,300 daily departures. This press release and additional information regarding SkyWest, Inc. can be accessed at www.skywest.com.

                                FLIGHT STATISTICS
                         SkyWest, Inc. December Traffic

                                  2008            2007        % Change

    Passengers                 2,634,566       2,686,926        (1.9)
    Revenue Passenger
     Miles                 1,347,791,781   1,393,819,382        (3.3)
    Available Seat Miles   1,722,814,938   1,894,747,288        (9.1)
    Load Factor                    78.2%           73.6%         4.6 pts
    Block Hours                  111,109         121,962        (8.9)
    Departures                    67,973          74,293        (8.5)

                              Calendar Year-To-Date

                                   2008           2007        % Change

    Passengers                 33,461,819      34,392,755       (2.7)
    Revenue Passenger
     Miles                 17,101,909,734  17,892,282,422       (4.4)
    Available Seat Miles   22,020,250,026  22,968,767,932       (4.1)
    Load Factor                     77.7%           77.9%       (0.2)pts
    Block Hours                 1,376,815       1,438,816       (4.3)
    Departures                    872,288         904,795       (3.6)