Originally Posted by
Mackieman
Unfortunately, full Y fares are only upgradable for elites. You will not be on the upgrade list on a full Y fare. You may higher on the list if an opup opportunity arises, but those are fairly rare and should not be counted upon.
Full Y fares
are upgradeable for non-elites — but only at the airport, after elites are upgraded. Odds are it won't happen —but it technically is possible.