https://www.devex.com/people/what-is-the-penalty-for-cancelling-a-flight-on-american-airlines-solution-2060230

https://www.devex.com/people/what-is-the-penalty-for-cancelling-a-flight-on-american-airlines-expert-2060203

https://www.devex.com/people/what-is-the-penalty-for-cancelling-a-flight-on-american-airlines-support-2060164

https://www.devex.com/people/what-is-the-penalty-for-cancelling-a-flight-on-american-airlines-hotline-2060089