Just earn or redeem miles on American or with an AAdvantage partner at least once every 18 months. We’ll automatically extend your mileage expiration date 18 months from the date of your most recent activity. Your wallet shows the number of miles you have and the earliest date they could expire.

How do I keep my American Airlines miles from expiring?

Here are some of the ways you can keep your AAdvantage miles from expiring:
Use a Co-Branded Credit Card. Shop. Grab a Bite to Eat. Fly. Drive. Stay. Book an American Airlines Vacation or Cruise Package. Donate.

Do AA miles ever expire?

Yes, American Airlines AAdvantage® miles expire if you have no earning or redemption activity on your account in an 18-month period. Per the AAdvantage® FAQs page: Fortunately for the rest of us, there are plenty of ways you can earn or redeem AAdvantage® miles.

Do American Airlines miles expire? Unless you are under 21, miles will expire after 18 months of inactivity in your account. To keep your miles from expiring, earn or redeem miles with American Airlines or with an AAdvantage partner once every 18 months.