https://official-united-airlines-helpcenters.github.io/en/us/help/21-ways-to-talk-to-someone-at-united-airlines-via-phone-email-or-chat-options-a-step-by-step-guide/ https://www.tackleunderground.com/community/topic/93675-21-ways-to-talk-to-someone-at-%C2%A0delta-airlines-via-phone-email-or-chat-options-a-full-guide/ https://www.tackleunderground.com/community/topic/93687-21-ways-to-talk-to-someone-at-%C2%A0american-airlines-via-phone-email-or-chat-options-a-full-guide/