https://support.us.edu/hc/en-us/community/posts/27044419147031-What-is-American-Airlines-cancellation-policy https://support.us.edu/hc/en-us/community/posts/27044419147031-What-is-American-Airlines-cancellation-policy https://support.us.edu/hc/en-us/community/posts/27044419147031-What-is-American-Airlines-cancellation-policy