Stapleton International Airport Stapleton International Airport Stapleton International Airport was the primary airport serving Denver, Colorado, United States from 1929 to 1995. At different times it served as a hub for Continental Airlines, the original Frontier Airlines, People Express, Trans World Airlines (TWA), United Airlines and Western Airlines. Other airlines with smaller hub operations at Stapleton included Aspen Airways, the current version of Frontier Airlines and Rocky Mountain Airways, with all three of these air carriers being based in Denver at the time. In 1995, Stapleton was replaced by Denver International Airport. It has since been decommissioned and the property redeveloped as a
Stapleton International Airport Stapleton Airfield in 1944, in honor of Mayor Stapleton. Stapleton's modern horseshoe-shaped terminal design was first announced in 1946 and promptly shelved by incoming mayor James Newton. The original administration building was extended with new wings in the early 1950s, and replaced entirely in 1954. By the early 1950s, the airport was served by five major airlines. United connected Denver to both coasts, with multi-stop routes extending to Boston, New York and Washington in the east, to major cities on the West Coast, and to Honolulu. Braniff operated routes from Denver to Texas, with connections to South America. Continental connected