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

ST. GEORGE, Utah, May 13 /PRNewswire-FirstCall/ -- SkyWest, Inc. (Nasdaq: SKYW) reported a 1.1 percent increase in available seat miles (ASMs) for April, while revenue passenger miles (RPMs) decreased by 0.9 percent compared to the same period last year. The combined airlines generated 1.89 billion ASMs for the month, while RPMs decreased to 1.46 billion. Load factor was down 1.6 percentage points to 77.0% compared to 78.6% for the same period last year. Passenger boardings for April totaled 2,818,725 a 0.3 percent decrease over April 2007.

SkyWest Airlines, based in St. George, Utah, and Atlantic Southeast Airlines, Inc. ("ASA"), based in Atlanta, Georgia are wholly owned subsidiaries of SkyWest. 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 serves a total of approximately 229 cities in the United States, Canada, Mexico and the Caribbean, with approximately 2,530 daily departures. This press release and additional information regarding SkyWest, Inc. can be accessed at http://www.skywest.com.

                              FLIGHT STATISTICS
                         SkyWest, Inc. April Traffic

                                       2008              2007       % Change
    Passengers                       2,818,725         2,828,277   (0.3) pts
    Revenue Passenger Miles      1,457,183,588     1,470,069,179   (0.9) pts
    Available Seat Miles         1,891,335,560     1,870,862,000    1.1
    Load Factor                          77.0%             78.6%   (1.6) pts
    Block Hours                        117,278           115,653    1.4
    Departures                          74,420            73,685    1.0


                            Calendar Year-To-Date

                                   2008              2007           % Change
    Passengers                  10,895,056        10,651,383        2.3
    Revenue Passenger Miles  5,651,512,599     5,496,625,418        2.8
    Available Seat Miles     7,469,914,526     7,164,764,446        4.3
    Load Factor                      75.7%             76.7%       (1.0) pts
    Block Hours                    470,915           454,644        3.6
    Departures                     291,930           287,971        1.4