Mepụta ụdị nke ahịrịokwu a dị mgbagwoju anya A na - emepụta Frontier Airlines site na njikọta nke Arizona Airways, Challenger Airlines, na Monarch Airlines na June 1, 1950.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Frontier Airlines bụ ụgbọ elu nke e guzobere site na njikọta nke Arizona Airways, Challenger Airlines, na Monarch Airlines na June 1, 1950, na isi ụlọ ọrụ na Stapleton Airport na Denver, Colorado. "