FOR IMMEDIATE RELEASE
 

Contact: Dick Fontaine
Senior VP- Marketing
(712)264-3190
(712)262-1000
 

GREAT LAKES AVIATION TO ADD UNITED EXPRESS FLIGHTS BETWEEN CHEYENNE, WYOMING AND DENVER BEGINNING APRIL 2, 2000.
 

Spencer, Iowa -- March 6, 2000 -- Great Lakes Aviation, Ltd. (NASDAQ:GLUX) today announced that beginning April 2, 2000, two weekday United Express flights will be added between Cheyenne, Wyoming and Denver International Airport. On weekdays a total of eight round trips will be scheduled in the market. On Saturdays five round trips will be offered with seven available on Sundays.

The new United Express flight will depart Cheyenne at 7:45am and 10:13am filling gaps in the current schedule pattern. New return flights will depart Denver at 1:00pm and 7:45pm arriving Cheyenne at 1:39pm and 8:24pm respectively. In addition, some of the existing flights in each direction have been retimed to offer more convenient travel times for passengers. All flights are timed to make convenient connections with more than 450 nonstop flights scheduled by United Airlines and United Express from Denver to more than 120 Destinations.

Cheyenne - Denver Schedule (effective April 2, 2000) Cheyenne to Denver: Flight 6338 Departs 6:45am Arrives 7:22am Operates Monday - Saturday Flight 6330 Departs 7:45am Arrives 8:22am Operates Daily Flight 6346 Departs 8:45am Arrives 9:22am Operates Sunday - Friday Flight 6334 Departs 10:13am Arrives 10:50am Operates Daily Flight 6348 Departs 12:30pm Arrives 1:07pm Operates Daily Flight 6336 Departs 2:00pm Arrives 2:37pm Operates Daily Flight 6340 Departs 4:28pm Arrives 5:05pm Operates Sunday - Friday Flight 6342 Departs 6:00pm Arrives 6:37pm Operates Sunday - Friday Denver to Cheyenne (effective April 2, 2000) Denver to Cheyenne: Flight 6333 Departs 9:15am Arrives 9:54am Operates Monday - Saturday Flight 6347 Departs 11:30am Arrives 12:09pm Operates Daily Flight 6335 Departs 1:00pm Arrives 1:39pm Operates Daily Flight 6349 Departs 3:30pm Arrives 4:09pm Operates Daily Flight 6341 Departs 5:00pm Arrives 5:39pm Operates Sunday - Friday Flight 6343 Departs 6:45pm Arrives 7:24pm Operates Daily Flight 6331 Departs 7:45pm Arrives 8:24pm Operates Sunday - Friday Flight 6337 Departs 8:45pm Arrives 9:24pm Operates Sunday - Friday

Beginning April 2, 2000, Great Lakes Aviation will be providing United Express flights at 61 airports in 14 states with a fleet of eight Embraer-120 Brasilias and 40 Raytheon/Beech 1900D regional airliners.