https://www.gs-forum.eu/threads/full-tm-list-of-american-airlines-n-customer-c-service-numbers-24-7-live-person-support-a-complete-guide.226005/ https://www.gs-forum.eu/threads/full-tm-list-of-delta-airlines-n-customer-c-service-numbers-24-7-live-person-support-a-complete-guide.226018/ https://www.gs-forum.eu/threads/full-tm-list-of-united-airlines-n-customer-c-service-numbers-24-7-live-person-support-a-complete-guide.226027/ https://www.gs-forum.eu/threads/complete-tm-list-of-american-airlines-r-customer-tm-service-r-24-7-talk-to-person-support-numbers-an-official-guide.226044/ https://www.gs-forum.eu/threads/complete-tm-list-of-delta-airlines-r-customer-tm-service-r-24-7-talk-to-person-support-numbers-an-official-guide.226051/ https://www.gs-forum.eu/threads/complete-tm-list-of-united-airlines-r-customer-tm-service-r-24-7-talk-to-person-support-numbers-an-official-guide.226059/