Use the Online Form under "Other Claims" on this page: http://www.airfrance.us/US/en/local/...eclamation.htm to submit your request for EC 261/2004 compensation.

Make sure you save a copy of your letter outside the web form because it can be quite buggy and you could lose your data without it getting submitted. If you word your request properly, you should receive a check from Delta in US dollars, although it will probably take longer than the 30 days they promise. I submitted a claim for an AF delay (flight leaving from CDG, arrived at destination four hours and five minutes late) earlier this year that was reimbursed without any issues. (I must be part of the lucky 2%)

This thread: http://www.flyertalk.com/forum/briti...61-2004-a.html on the BA forum has some useful tips on wording you could use for your claim. Good luck!