https://www.transfermarkt.com/what-is-cancellation-policy-1-844-844-3910-american-airlines-ultimate-guide-/thread/forum/659/thread_id/2801/page/1#anchor_3007 https://www.transfermarkt.com/what-is-cancel-flight-united-airlines-24-hours-cancellation-policy-guide/thread/forum/659/thread_id/2859/page/1#anchor_3064 https://www.transfermarkt.com/-1-833-633-1571-can-you-change-a-name-on-a-united-airlines-ticket-quickguide-modify-completeguide/thread/forum/659/thread_id/2818/page/1#anchor_3023 https://www.transfermarkt.com/-aa-policy-what-is-the-cancellation-policy-for-allegiant-airlines-instant-cancel-amp-amp-refund/thread/forum/659/thread_id/2871/page/1#anchor_3075 https://www.transfermarkt.com/team-american-lt-lt-1-844-989-1967-gt-gt-what-is-american-airlines-cancellation-policy-24-hourserived-from-the-search-result/thread/forum/659/thread_id/2791/page/1#anchor_2997 https://www.transfermarkt.com/aa-contact-1-844-989-19671-what-is-the-cancelation-policy-for-american-airlines-24x7-live-person/thread/forum/659/thread_id/2880/page/1#anchor_3083 https://www.transfermarkt.com/aa-how-to-cancel-your-american-airlines-flight-amp-amp-get-refund-quick-response-24x7/thread/forum/659/thread_id/2995/page/1#anchor_3187 https://www.transfermarkt.com/american-airlines-1-844-989-1967-24-hours-cancellation-policy-ultimate-guide-/thread/forum/659/thread_id/3012/page/1#anchor_3204