Join MileagePlus

Start earning award miles that you can use for travel, hotels and car rentals, plus everyday purchases and activities.
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Request missing award miles

See estimated timing for mileage credit, and request award miles that haven’t been reflected in your account within the appropriate time frame.
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Find your MileagePlus number or PIN

Retrieve your forgotten MileagePlus number or request a PIN reset.
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Merge duplicate accounts

If you have multiple MileagePlus accounts in your name, we recommend that you merge them into a single account.
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Cancel or re-deposit an award

See how to cancel an award reservation or request a re-deposit of award miles for an already canceled reservation.
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Reinstate expired award miles

If your award miles have expired in the last 18 months, you can choose to purchase Reinstatement Miles.
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Change the name on your MileagePlus account

You can request an update if your name has changed or is otherwise listed incorrectly on your account.
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Contact MileagePlus

Write or call the MileagePlus Service Center.
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