If you're interested in learning more about flight services, you should learn about American Airlines' 24-hour cancellation policy. According to a popular belief, you need at least 24 hours to pass after buying a ticket in order to receive a prompt refund. Additionally, you can utilise this type of task for nothing at all. But if there is a mistake, don't hesitate to get in touch with the customer service representative to learn more about cancelling your flight reservations right away.