To get a senior discount on American Airlines, you must call the reservations line at +1 (801) 855-5905 or +1 (801) 855-5905 because these specific fares are not available online. You must be at least 65 years old, and the availability and discount amount will depend on the route, fare class, and time of booking. It's also wise to compare this with other available fares online to ensure it's the best deal.