http://www.overlandbound.com/forums/threads/11-ways-to-connect-united-airlines-customer-service-by-phone-number-chat-or-email-a-comprehensive-guide-to-contact.51241/
https://www.overlandbound.com/forums/threads/11-ways-to-connect-united-airlines-customer-service-by-phone-number-chat-or-email-a-comprehensive-guide-to-contact.51241/