Originally Posted by
channa
The battlefield list is not authoritative until flight close.
The problem is that the two orderings can be different, and that EUA runs until very close to departure time.
Really hope this will evolve to more like the 4 hour UA DM window - at 30 minutes, everyone's already at the airport (and starting to board), and you have a visible upgrade list that (to the naked, untrained eye) isn't being followed.