Originally Posted by mahasamatman

Could you have called late enough on the 16th that it was actually the 17th at the call centre? Remember that Asian call centres could be as much as 16 hours ahead depending on where you live.

Originally Posted by tennessetom

What did the e ticket say you were upgraded to, could it have been something like premium economy. United calls their business class on most international routes polaris. As others have said I can’t imagine one person being upgraded much less a “party” however many people that might included.