On United Airlines, PlusPoints upgrades carry a higher priority than MileagePlus miles upgrades  when all other factors (like elite status and fare class) are equal. However, the United upgrade waitlist is a complex, multi-layered hierarchy where "who clears first" is determined by a strict sequence of credentials. United Airlines Upgrade Priority: PlusPoints vs Miles (What Really Clears First) For many United flyers, the upgrade list is a source of both hope and immense frus