If you pay for bags online you can’t use same-day standby.If you take a different flight on the same day of original booking, the bags that you paid for online will transfer.You can usually transfer bags you pre-paid for to new flights (changes to existing bookings), but not to other passengers.
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American Airlines reserves the right to change the rates, terms and conditions at any time prior to purchase with or without notice.If you’re not traveling on a military fare show your military ID at the check-in counter. military and traveling on a military fare you will receive complimentary bag pricing. If you pay for your bags online they are subject to the standard baggage terms, conditions and liability standards as bags paid for at the airport.checked pets) can’t be paid prior to airport arrival Other special bags with specific charge (i.e.Combined bag allowance for domestic flights: pre-paid bag prices will be optimized across all passengers traveling together in a single reservation.Applies to customers traveling on American Airlines marketed and operated flights.Charges are calculated based on standard bag sizes for flights per person, each way.If you're checking more than 3 bags you can add them at the airport applicable oversize, overweight and excess bag charges may apply.If the option is available on your flight, payment is taken during check-in on aa.com or in the app starting 24 hours and up to 4 hours before scheduled departure.You can choose to pay for up to 3 checked bags (per person) before arriving at the airport.