Originally Posted by channa

[*]Authoritative Upgrade List within a Cutoff -- United stops clearing upgrades at about 4 hours out, creating a single, authoritative gate upgrade list that is followed and cleared at the gate. CO runs upgrades up until checkin cutoff, which means that the gate can be open, and there are two (2) competing upgrade mechanisms using different upgrade ordering priorities -- the EUA ordering scheme and the airport upgrade list (e.g., #7 got upgraded before #1 because EUA did it not the gate, and #7 was really #1 with the EUA system, even though he was #1 on the gate display and PDA site).