Read the facts and weep<quoted text>
Never turned a profit.
Got in the air and stayed in the air with French and British government funding. If it were a commercial success, there'd be Concordes everywhere you see... 707s,737s, 757s, and 787s.
On average Concorde made and operating profit of £30-50 Million a year for British Airways in the boom years where many passengers were travelling first class. British Airways reportedly received £1.75 Billion in revenue for Concorde services against an operating cost of around £1 Billion. Air France made a much smaller profit.