What options are available for upgrading on United Airlines?

United Airlines offers several upgrade options, including using MileagePlus miles, upgrade certificates, or purchasing upgrades directly. You can request an upgrade at the time of booking, through the United Airlines website or app, or at the airport. Upgrades may be available based on fare class, availability, and MileagePlus status. Elite members and those with certain ticket types may have access to complimentary upgrades. For the best upgrade opportunities, consider booking early and monitoring availability. Need help with booking your flight or resolving travel issues? Contact Fly Travel Board at +1 (844) 539-5787 for expert assistance and personalized service.