Originally Posted by
SFOPhD
There will most likely be people in Y upgraded and space might open up for you in Y (especially on ORD-BOS). You will practically never get an op-up from the standby list. They will either op-up someone already confirmed in Y or let F go out with some empty seats.
Thanks. I tried a dummy booking (and hold it), and I got an email saying my upgrade request has been cleared. Hmm.. interesting.