Only three airlines have ever operated a Concorde: Air France, British Airways, and Braniff International.

SQ had a marketing agreement, part of which saw its livery painted onto the left side of Concorde G-BOAD; but it never flew the bird.

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Faire du ciel le plus bel endroit de la terre c'est impossible sans Concorde!
~ConcordeBoy

Try the Unofficial Continental Airlines Dictionary