Originally Posted by
Time traveller
I have often been in situations where I have already been "upgraded" to F on my original flight as an EXP (so I am holding an F BP in my hand) and I want to standby for an earlier flight. I usually assume I won't get an F seat, unless the upgrade list has cleared and there are still F seats open. In essence, I would be at the bottom of the list, except for possibly non-revs on stand-by.
That's different. In your case you're holding a Y ticket. The normal order is to clear Y upgrades (for those already confirmed in Y), then clear Y standbys, and upgrade them if there is still space in F. The question is where do standbys holding F tickets fit into that process.