Originally Posted by Fly AA J all the way
IIRC, the OP stated that the times for those didn't work, and that if he had to go through MIA, might as well be in slightly more comfortable conditions. Also, on a JFK-MIA, a J seat on the 762 is about as well as a GLD will ever do, whereas an EXP, like yourself, will have a much better shot at F.
Not so sure! Spouse and me (mere Plats) got into F on that route last weekend using stickers without even requesting at booking time. Just asked at check-in and 2 seats available for us. Very nice I must say.