Originally Posted by HeadInTheClouds
If you can, that's news to me! I always remember for sure you couldn't use a voucher towards an RCC membership for example, so I assumed the rule was tickets only. I have a laughable AA $15 voucher in hand right now too... maybe it's worth something after all??!
You could definitely use that AA voucher for upgrades/baggage fees.
Or, you could put a reservation on hold on aa.com and apply the voucher to that reservation. No fee for doing so. You can even mail it in so you don't have to go to the airport. @:-)