Originally Posted by
cerps343
Oh so the system would see I requested an upgrade with miles and then work on refunding that/charging me $200? So really, if I tried to buy up online, instead of charging $262, it would charge $462?
No. Separate transactions. You can cancel the upgrade request and your co-pay should auto-refund (though you might have to call if it doesn't). The miles will sit in never-never land until you pay a $200 redeposit fee.
I can't predict for sure what will happen if you just buy the upgrade then wait and see what happens. That's intersecting IT functions and I don't think UA knows for sure. Just be aware that it may cost you $200 to get your miles back.