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Great Lakes Aviation, Ltd. Reports July 2011 Traffic

CHEYENNE, Wyo., Aug. 5, 2011 /PRNewswire/ -- Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB) today announced preliminary passenger traffic results for the month of July 2011.

                JULY 2011 AND YEAR TO DATE STATISTICS

                             Jul-11      Jul-10      Change
    Passengers Enplaned          48,590      47,268         2.8%
    Revenue Passenger Miles
     (000)                       14,876      13,917         6.9%
    Available Seat Miles
     (000)                       31,184      33,425       (6.7)%
    Load Factor                    47.7%       41.6% 6.1 pts
    RASM (cents)                  35.13       33.57         4.6%

                             YTD 2011    YTD 2010    Change
    Passengers Enplaned         297,145     277,278         7.2%
    Revenue Passenger Miles
     (000)                       91,833      81,824        12.2%
    Available Seat Miles
     (000)                      216,414     220,360       (1.8)%
    Load Factor                    42.4%       37.0% 5.4 pts
    RASM (cents)                  32.52       31.26         4.0%

Great Lakes is providing scheduled passenger service at 42 airports in eleven states with a fleet of Embraer EMB-120 Brasilias and Raytheon/Beech 1900D regional airliners. Additional information is available at http://www.flygreatlakes.com/ including a current route map at http://www.flygreatlakes.com/route_map/route_map.htm.

All scheduled flights are operated under the Great Lakes Airlines marketing identity in conjunction with code-share agreements with United Airlines and/or Frontier Airlines at our Albuquerque, Denver, Los Angeles and Phoenix hubs.

    Contact:          Michael Matthews, VP Finance/CFO
                      (307) 432-7000

SOURCE Great Lakes Aviation, Ltd.