Originally Posted by
cova
However, completely different on UA. UA FA's know who is sitting in E+, and if a passenger moves up to E+ then they get asked to make the payment for the upgrade. If they don't want to pay - they have to move back.
As it should be. JetBlue does the same thing to people who try to upgrade themselves to EMS. Delta will turn people back entirely though as C+ is a separate class of service.