Originally Posted by AAExpDFW

Not a good chance. If you upgrade and then want to downgrade, the flight will have to have the same coach inventory available. I believe there may also be change fees applicable.

For only 4 J seats I think you are playing with fire thinking of doing an EXP upgrade. I'd use the eVIP as on that flight, depending on when you bought your ticket the chance of being in the "top 4" is probably petty slim. YMMV

Originally Posted by bdemaria

It doesn't help w/the SWU v. "sticker" upgrade issue; it does help w/your place on the waitlist for 'sticker' upgrades as through passengers have priority over those who are just starting their trips.