I have two flights tomorrow where I do not stand a chance to get upgraded but decided to use a RUC to get a better shot. Called the PM desk and the representative said she applied the RUC but it would be waitlisted (of course) and if it was used on only one flight, it was gone. Half hour later, checked the upgrade lists and I have not moved up at all. Should I worry about the RUC being correctly in the system? First flight is on SkyWest if that matters.

Thanks.