American airlines flight change policy offers passengers flexibility to modify their travel plans with ease. Depending on fare type, destination, and timing, change fees may apply, though many tickets allow free modifications within 24 hours of booking. Customers can reschedule flights online, via the mobile app, or by contacting customer service. For assistance with understanding fees, same-day flight changes, or rebooking options, call American Airlines flight change policy helpline at TFN +1-866-679-5070 for expert guidance and quick support.