I would file that in the " we shall see " folder.
The entire list of options & orders placed for Concorde by airlines, & cancellation dates
Pan Am
June 3rd 1963: - Options for 6 aircraft – 3 from Aerospatiale / 3 from BAC (2 more later optioned)
January 31st 1973: - Cancelled
July 24th 1966:- Options for 2 more aircraft – 1 from BAC & 1 from Aerospatiale
January 31st 1973:- Cancelled
Air France
June 3rd 1963: - Options for 6 aircraft
Jan.30th 1964: - Declaration of Intention from Air France to purchase 8 aircraft from Aerospatiale
July 28th 1972: - Order for 4 aircraft confirmed
BOAC (Later called British Airways)
June 3rd 1963: - Options for 6 aircraft
April 14th 1964: - Declaration of Intention from to purchase 8 aircraft from BAC
July 28th 1972: - Order for 5 aircraft confirmed
Continental
July 24th 1963: - Options for 3 aircraft from BAC
March 1973: - Cancelled
TWA
October 16th 1963: - Options for 4 aircraft from BAC
February 1973: - Cancelled
March 30th 1964:- Options for 2 more aircraft from BAC
February 1973:- Cancelled
American Airlines
Oct.7th 1963: - Options for 4 aircraft from Aerospatiale
February 1973: – Cancelled
Jan.16th 1964: - Options for 2 more aircraft from Aerospatiale
February 1973: - Cancelled
MEA/Air Liban
Dec.4th 1963: - Options for 2 aircraft from Aerospatiale
June 1973: - Cancelled
Jan.16th 1964: - Options for 2 more aircraft from Aerospatiale
February 1973: - Cancelled
Qantas
March 19th 1964:- Options for 4 aircraft from BAC – Options never officially cancelled.
Air India
July15th 1964:- Options for 2 aircraft from BAC
February 1975:- Cancelled
Japan Airlines
September 30th 1965:- Options for 3 aircraft from Aerospatiale
1973:- Cancelled
Sabena
December 1st 1975:- Options for 2 aircraft from Aerospatiale
February 1973:- Cancelled
Eastern Airlines
June 28th 1966: - Options for 2 aircraft from Aerospatiale
February 1973:- Cancelled
August 15th 1966:- Options for 2 more aircraft from Aerospatiale
February 1973:- Cancelled
April 28th 1967:- Options for 2 more aircraft from Aerospatiale
February 1973:- Cancelled
United Airlines
June 29th 1966:- Options for 6 aircraft from BAC
November 1972:- Cancelled
Braniff
Septenber 1st 1966:- Options for 3 aircraft from Aerospatiale
February 1973:- Cancelled
Lufthansa
February 16th 1967: - Options for 3 aircraft from Aerospatiale
April 1973:- Cancelled
Air Canada
March 1st 1967:- Options for 4 aircraft from BAC
June 1972:- Cancelled
CAAC
July 24th 1972:- Options for 2 aircraft from Aerospatiale
December 1979:- Cancelled
August 28th 1972:- Options for 1 aircraft from BAC
February 1980:- Cancelled
Iran Air
October 8th 1972:- Options for1 aircraft from BAC, orders for 2 confirmed, then cancelled.
February 1980:- All orders and options cancelled