Originally Posted by
a_fman
On TATLs I know Q is certainly not upgradeable or mileage earning, but i believe any fare, perhaps barring O is upgradeable with stickers, (except Y/B which aren't stickers), within continental 50......
No offense, but if you have to guess it's probably better that you not post (or confirm the info on aa.com first). Just too much misinformation around here already.