Originally Posted by
oskidunker
Couldn't discern any pattern. At what point should I assume I will not get the upgrade. Asking for only 1 seat.
There is no pattern. R availability is based on UA revenue management's determinations and that is a dynamic process. Any statement to the contrary (that there is some definite pattern) is in error. You could clear five minutes from now, five minutes before they close the boarding door, or never.