What is the cancellation policy with American Airlines
https://www.devex.com/people/what-is-the-cancellation-policy-with-american-airlines-2077254
You have 24 hours from the time you first buy your ticket to make changes or cancel for a refund if you booked at least 2 days before departure 1-844 AA (949-8748). After 24 hours, refunds are not allowed for non-refundable fares. You can change or cancel your trip online in just a few steps.