By June 1,1950 Frontier Airlines (1950-1986) had a aquired Challenger Airlines when they merged with Arizona Airways and Monarch Airlines they provided service between 1950-1978 via Salt Lake City and Rock Springs, Wyoming.
Frontier Airlines (1950-1986) had a aquired Challenger Airlines when they merged with Arizona Airways. This was by June 1,1950. Frontier Airlines (1950-1986) had a aquired Challenger Airlines when they merged with Monarch Airlines. This was by June 1,1950. They provided service between 1950-1978 via Salt Lake City and Rock Springs. They provided service between 1950-1978 via Wyoming Arizona Airways. They provided service between 1950-1978 via Monarch Airlines.