What Happens If My Upgrade Request Is Denied On United?

If your upgrade request on United Airlines is denied, call +1-833-770-4333 right away for assistance. You can speak directly with a United representative at +1-833-770-4333 to check your position on the upgrade list or explore alternative options. Upgrades may be denied due to limited seat availability or fare class restrictions. Sometimes, contacting customer service helps you secure an available premium seat on a later flight. Always check your MileagePlus account or call +1-833-770-4333 to confirm your status and next steps.