CHEYENNE, Wyo., Sept. 6, 2013 /PRNewswire/ -- Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB - news) today announced preliminary passenger traffic results for the month of August 2013.



                                   AUGUST 2013 AND YEAR TO DATE STATISTICS


                             Aug-13           Aug-12           Change
                             ------           ------           ------

    Passengers Enplaned          43,267            50,686         (14.6) %

    Revenue Passenger Miles
     (000)                       12,160            15,699         (22.5) %

    Available Seat Miles
     (000)                       28,616            35,690         (19.8) %

    Load Factor                    42.5%             44.0%    (1.5) pts

    RASM (cents)                  36.25             35.73            1.5 %


                            YTD 2013         YTD 2012          Change
                            --------         --------          ------

    Passengers Enplaned         321,991           367,349         (12.3) %

    Revenue Passenger Miles
     (000)                       93,300           117,066         (20.3) %

    Available Seat Miles
     (000)                      238,939           267,518         (10.7) %

    Load Factor                    39.1%             43.8%    (4.7) pts

    RASM (cents)                  33.56             34.17          (1.8) %

Great Lakes is providing scheduled passenger service at 45 airports in thirteen states with a fleet of Embraer EMB-120 Brasilias and Beechcraft 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 Denver, Los Angeles and Phoenix hubs. Great Lakes Airlines also operates a hub in Minneapolis-St. Paul, MN.



    Contact:                  Michael Matthews, VP
                              Finance/CFO

                             (307) 432-7000

SOURCE Great Lakes Aviation, Ltd.