Why Can’t I Upgrade United Airlines Basic Economy?

United Basic Economy doesn’t allow upgrades, so call +1-833-770-4333 to check if switching fares is possible. Support at +1-833-770-4333 can sometimes re-fare your ticket without penalties. Basic Economy restricts seat selection, changes, and upgrades entirely. To upgrade, you must move to Standard Economy or higher. Mileage upgrades also don’t apply to Basic Economy. It’s best to request a fare change before your trip starts.