Originally Posted by Sopwith

I'm booked from FLL-YVR in October; booking was done by a cruise line. Upgrade certificates say they are valid anytime on a Y,M or U fare.
I asked an AC agent about the fare class and upgrade elligibility, was told that it is booked as a Q fare, so certificates are valid four days out, even though it doesn't show on the certificate.

Can anyone confirm this?

Thx.