Airline Number Reserved Cancelled Remarks Pan Am[45] 6 3 June 1963 31 January 1973 2 extra options in 1964 Air France 6 3 June 1963 2 extra options in 1964 BOAC 6 3 June 1963 2 extra options in 1964 Continental Airlines 3 24 July 1963 Mar 1973 American Airlines 4 7 October 1963 Feb 1973 2 extra options in 1965 TWA 4 16 October 1963 31 January 1973 2 extra options in 1965 Middle East Airlines 2 4 December 1963 Feb 1973 Qantas 6 19 March 1964 June 1973[46] 2 cancelled in May 1966 Air India 2 15 July 1964 Feb 1975 Japan Airlines 3 30 September 1965 1973 Sabena 2 1 December 1965 Feb 1973 Eastern Airlines 2 28 June 1966 Feb 1973 2 extra options on 15 August 1966 2 other extra options on 28 April 1967 United Airlines 6 29 June 1966 26 October 1972 Braniff 3 1 September 1966 Feb 1973 Lufthansa 3 16 February 1967 Apr 1973 Air Canada 4 1 March 1967 6 June 1972[47] CAAC 2 24 July 1972 Dec 1979[48] Iran Air 2 8 October 1972 Feb 1980