Bygone Airline is a term used to refer to airlines that have ceased operations. Ozark, MAP, TWA, BOAC, and Panam are all examples of bygone airlines. Ozark was an American airline that operated from 1950 to 1986. MAP was a Brazilian airline that operated from 1961 to 1965. TWA was an American airline that operated from 1930 to 2001. BOAC was a British airline that operated from 1939 to 1974. Panam was an American airline that operated from 1927 to 1991.