Abuur nooc ka mid ah weedhan adag Frontier Airlines waxaa laga sameeyay isku-darka Arizona Airways, Challenger Airlines, iyo Monarch Airlines 1-dii Juun, 1950.
Dabcan, nooc ka sii adag oo jumlada ah waa "Frontier Airlines waxay ahayd shirkad diyaaradeed oo lagu sameeyay isku darka Arizona Airways, Challenger Airlines, iyo Monarch Airlines bishii Juun 1, 1950, oo xarunteedu tahay garoonka diyaaradaha Stapleton ee Denver, Colorado. "