Can I upgrade my class on American Airlines?

+1-888-413-6950 If you are unsatisfied with your seats then you can choose to make American Airlines seat upgrades up until the end minutes.You can choose an upgraded seat on American Airlines to ensure your comfort and happiness.If you didn't choose a seat when you made your reservation, the seat availability for the flight will determine which seat is assigned to you at random. After that, if you'd like to switch seats, you can ask the ground crew for help.