Originally Posted by
BearX220
We also have reports now of people redeeming mileage awards in F, then finding themselves downgraded to Y at the gate because UA resold the F seat to another customer, this time for money.
The same thing can happen on a cash ticket. You do get the price difference refunded or you can ask for the next available seat in the same class of service.
I would take a cash ticket over a rewards traveller if I were running the business, too.