Originally Posted by qasr
T fares to MEX can be upgraded to F (or is it C?) with 500's. Since it is region 1, you should be able to use CR-1's, but it seems like the fare rules prohibit this. With that said, I doubt united.com or an agent would ever bother to check...
BTW, the fare link is broken. What is the full fare basis ?
I believe the upgrade issue is related to it being an e-fare and not to the fare class. I could be wrong.
I've used a CR-1 to upgrade an S fare in this market. And an a T fare is really just an S-lite fare
