American Airlines AAdvantage miles expire 18 months from account inactivity, which can be extended by earning or redeeming at least one mile.
However, if you are under 21 years old, your miles won’t expire, but the 18-month clock will start on your 21st birthday.
Ways to Extend Your AAdvantage Miles
There are several ways to reset the expiration of your AAdvantage miles:
- Fly on American Airlines
- Fly on an OneWorld or partner airline and credit the flight to AAdvantage.
- Redeeming miles for flights, gift cards, magazines, etc.
- Spending on your Citi AAdvantage Platinum, Platinum Business, Executive, or MileUp credit card.
- Spending on your Barclays AAdvantage Aviator or Aviator Business credit card.
- Commenting on the AwardWallet blog will get you 5 AAdvantage miles.
- Earning miles with American’s partners including, hotels, car rentals, vacations, dining, and online shopping.
- Buying AAdvantage miles.
- Donating AAdvantage miles.
Comparison of U.S. Airlines' Expiration Policies
Below are the mileage expiration policies of every major U.S. airline.