Originally Posted by
channa
Since you have a new receipt, provided you attempted to check in on itme, you can claim that you were involuntarily denied boarding (IDBed) by US. If you can prove this, basically they owe you 2 x the one way fare (max $800) in cash.
Just because UA issued a new receipt does not mean that they actually issued the OP a valid ticket for a flight on US. There is a very good possibility that UA screwed up and booked a flight that shouldn't have been booked. Not saying this did in fact happen but its a definite possibility.