Originally Posted by
RobOnLI
It's not as simple as "number 3" gets the upgrade. UA will resolve the oversold situation before they process upgrades. If PE is oversold then they will OpUp people to J to get all of them seated in their purchased or better-than-purchased cabin. In your case the no status PE pax (number 4) may wind up in J by virtue of an OpUp, not by mileage upgrade.
-RM
In what order do people in Y or PE get OpUp if they’re oversold? Is it using the same criteria as upgrade priority?