Originally Posted by
DiverDave
Exactly. The agent can wait to clear the upgrades, then do what he/she pleases with the seats.
Any unassigned seats should be cleared before boarding starts.
David
Sometimes boarding starts at a time when it's still possible to purchase a ticket and check in for the flight. The GA shouldn't be giving away the last FC seat while some HVC is simultaneously in the process of purchasing a FULL F ticket.