Braniff International Airways
In 1979, the year after airline deregulation, STL's dominant carriers were TWA (36 routes) and Ozark (25), followed by American (17) and Eastern (12). Other carriers at STL included Air Illinois, Air Indiana, Braniff International Airways, Britt Airways, Brower Airlines, Delta Air Lines, Frontier Airlines, Northwest Orient, Republic Airlines, Texas International Airlines, Trans-Mo Airlines, and USAir.