Miles do not expire for members under 21 and some primary AAdvantage credit card holders.
Platinum members are exempt from mileage expiration.
Note: Transferring credit card or hotel points to Flying Blue will not extend mileage expiration.
No expiration if you’ve held a Lufthansa cobranded credit card for three or more months and make at least one purchase per month. Expiration is waived if you have Lufthansa elite status.
You can extend the validity of miles due to expire for another three years at $10 for every 1,000 miles.
No expiration for elite members.
No expiration for Lifetime Elite members.