https://www.nspn.org/forums/topic/16220-full%E2%84%A2-list-of-%E2%89%8Bunited-airlines-customer%C2%A9-service%E2%84%97-247-live-person-support-numbers-an-official-guide/ https://www.nspn.org/forums/topic/16252-full%E2%84%A2-list-of-%E2%89%8Bdelta-airlines-customer%C2%A9-service%E2%84%97-247-live-person-support-numbers-a-complete-guide/...