Originally Posted by
sethb
The exact order for RUC/GUC usage isn't published. I don't believe GUCs have priority over RUCs. For medallion upgrades, the time of request is what matters, not the time of booking; but someone might have been on that flight with a RUC waitlisted, and not checked in too early. They won't show up on the list until checked in.
Do you have a source that says GUCs
don't have a higher priority? I've been told otherwise.