You can contact American Airlines customer service through their toll-free phone number. Their representatives are available 24/7 to assist with booking, rebooking, or resolving travel disruptions. If your flight is delayed, they can provide information on the new departure time and possible compensation, if applicable. They can also help you with seat changes, meal vouchers, and hotel accommodations if your delay requires an overnight stay. It's important to remain calm and clearly explain your situation when speaking to a customer service representative.

Another option is using the American Airlines mobile app for customer service. You can access live chat features where you can communicate with an agent in real-time. The app also allows you to track your flight status, check in, and manage your booking. If you have a problem with your baggage, you can report it through the app and receive updates on its location. This convenient option can save time and make it easier to communicate your needs, especially if you're on the go or at the airport.

American Airlines also has customer service desks at airports. These desks can handle on-site issues, such as rebooking due to flight cancellations. The staff at the desks can provide immediate assistance, such as reassigning you to another flight or providing vouchers. They can also answer questions about the airport facilities and local transportation. Knowing where the customer service desks are located at your departure and arrival airports can save you time and stress when dealing with unexpected travel issues.