https://www.devex.com/people/faq-is-there-a-penalty-to-cancel-american-airlines-2272968
https://www.devex.com/people/faq-is-there-a-penalty-to-cancel-american-airlines-2272968
https://www.devex.com/people/faq-is-there-a-penalty-to-cancel-american-airlines-2272968
https://www.devex.com/people/faq-is-there-a-penalty-to-cancel-american-airlines-2272968