Susieville--that's a very good question. ALLEGEDLY, they were supposed to be booking using each other's points now, but I don't know whether they actually are or not. We were supposed to fly Jet Blue from FLL to SXM this June and of course they cancelled on us. Fortunately we were able to get FF tickets on AA for a very good price in miles. The JB flight was booked with JB miles, which at this point, I would love to use on AA. If anyone is able to use JB points on AA, please post.