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MileagePlus program

MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program MileagePlus frequent flyer program

The world's most rewarding loyalty program.SM

How you earn award miles on flights will change on March 1, 2015. Learn more ›

MileagePlus Sign In

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Earn award miles

See all of the exciting ways to earn miles.

Earn miles

Use award miles

View all of the exciting ways to use miles.

Use miles

MileagePlus News and Offers

Read the latest MileagePlus program news and find exclusive offers from a wide range of MileagePlus partners.

View News and Offers

Merge multiple MileagePlus accounts

If you have multiple MileagePlus accounts, you can submit a request online to merge them.

Learn more

Join MileagePlus

Not a member? Join MileagePlus and begin earning award miles for everyday activities. Use miles for flights, car rentals, hotel stays, merchandise and more.

Join now

Premier benefits & more

Program rules

Learn more about the details of the MileagePlus program.

MileagePlus program rules

Upgrades overview

MileagePlus members have many ways to upgrade to premium cabins. Visit this section of the site for a complete guide to getting and using upgrades.

MileagePlus Upgrade Awards

Learn more about upgrades

Buy, transfer or donate miles

Get the extra miles you want, when you want them. Learn about the various ways to buy, transfer or give and donate miles.

Buy, transfer or donate miles

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