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Frontier Airlines (1950–1986)
Airline of the United States (1950–1986)
Frontier Airlines (1950–1986)
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. 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.
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