Frontier Airlines was a local service carrier, a scheduled airline in the United States that was formed by the merger of Arizona Airways, Challenger Airlines, and Monarch Air Lines on June 1, 1950. He
Frontier Airlines livery in 1983; Boeing 737-200 N7382F
Frontier Horizon 727-100 at New York LaGuardia April 1984
Frontier Airlines Convair 340
Frontier Airlines Flight 91 sitting on the runway in 1972.
Stapleton International Airport was a major airport in the western United States, and the primary airport of Denver, Colorado. It opened on October 17, 1929, and was replaced by Denver International A
Frontier Airlines (1950–1986)
…States that was formed by the merger of Arizona Airways, Challenger Airlines, and Monarch Air Lines on June 1, 1950. Headquartered at the now-closed Stapleton International Airport in Denver, Colorado, the airline ceased operations on August 24, 1986. A new airline using the same name was founded eight years later in 1994. The…
Stapleton International Airport looking north, shortly before its closure.
Looking west, January 1966. Only concourses A, B, and C existed then. A United Airlines Pilot Training Center was later built on the vacant land between the airport's west boundary and the housing tracts.
Looking north, January 1966. Runway 35 became 35L, after 35R was built. The old United Airlines pilot training center buildings, on the airport proper, were still in operation. A UAL DC-8 pilot training flight has just made a missed approach, complete with its shadow.
Two Convair 580s of the Denver-based Aspen Airways at Stapleton in 1986