Originally Posted by
PDXPremier
I used upgrade certs before on cancelled flights and no, they don't keep you in F even if it available--you just go on the waitlist and eventually get your upgrade certificates back if you email Customer Care (ie, it won't happy automatically).
Sigh. I am resigned to this. I and spouse are upgraded on certs in both directions BLI-SEA-PHX with travel starting later this week, in what likely will be the continuing confusion.
I'll file it under first class problems.