Rocky Mountain Airways was an American commuter airline headquartered in Hangar No. 6 of Stapleton International Airport in Denver, Colorado. It was sold to Texas Air Corporation/Continental Airlines in 1986 and was operated as a Continental Express subsidiary until its operations were merged with Britt Airways in 1991. The airline flew from Denver's Stapleton International Airport to a variety of destinations in Colorado, Nebraska and Wyoming. The airline operated out of the old commuter terminal in Concourse A at Stapleton.

Aspen Airways was an airline carrier and regional affiliate of United Express and based in Hangar 5 in Stapleton International Airport in Denver, Colorado. Aspen ceased operations on April 1, 1990, when separate portions of the airline were acquired by Mesa Airlines and Air Wisconsin Services, Inc.