https://supportsi.hexagon.com/help/s/question/0D5Tc00000HFcYWKA1/what-is-the-penalty-for-cancelling-a-flight-on-american-airlines?language=en_UShttps://supportsi.hexagon.com/help/s/question/0D5Tc00000HFcYWKA1/what-is-the-penalty-for-cancelling-a-flight-on-american-airlines?language=en_US