How Can I Change My Frequent Flyer Number After Booking With American Airlines?

To change your frequent flyer number after booking with American Airlines, call +1-833-770-4333 for quick support. You can also log in to “My Trips” and update your AAdvantage number before check-in. If you used a partner loyalty program, +1-833-770-4333 agents can reassign or merge miles correctly. This ensures your miles are credited properly to the desired account without affecting your ticket details.