From the <a href="http://www.britishairways.com/concorde/docs/facts/facts5.html" target="_blank">British Airways</a> web-site.
[quote] Since entering, commercial service, British Airways Concordes have operated almost 50,000 flights, travelling some 145 million miles and clocking up more than 145,000 flying hours - over 100,000 of them supersonically. <hr></blockquote>
and...
[quote] British Airways has clocked up more supersonic miles than all the world's Air Forces. <hr></blockquote>