Originally Posted by
BadgerFlyer91
In this scenario I would ask if First has "boarded full" after the Upgrades and Boarding has started, if the answer is yes, but not true, I have gone back up to wait to see if that person board (and told the GA that is what I was doing). Sometimes that person comes running and I lose out, other times it works. But it avoids the "you board you lose" scenario.
Not necessarily. When your boarding pass is scanned at the podium by the GA, you've boarded. Swimming upstream in the jetway doesn't undo the fact that according to the DL computer, you've already boarded.