Originally Posted by
eigenvector
I have a worse version of YBYL than not getting cleared for the upgrade: when the GA *did* upgrade you after boarding (& the upgrade instruments were withdrawn from your account) but nobody actually bothered to tell you and you sat in Y for the flight.
This is just nasty. Did you at least write in to get your upgrade refunded? Although in this situation what proof do you have... they might just say "No, you flew in J" even though you didn't.