https://bookflightdeals.helpjuice.com/ways-to-connect-directly-united-airlines-customer-service-a-complete-guide/version/1?kb_language=en_US
https://bookflightdeals.helpjuice.com/ways-to-communicate-with-united-airlines-customer-service-chat-and-email-a-full-completed-guide/version/1?kb_language=en_US
https://travelflyair.elevio.help/en/articles/3-ways-to-connect-directly-united-airlines-customer-service-a-complete-guide
https://travelflyair.elevio.help/en/articles/4-ways-to-reach-united-airlines-customer-service-by-phone-number-full-methods-explained-easy-ways
https://travelflyair.elevio.help/en/articles/5-ways-to-call-united-airlines-customer-service-care-by-phone-chat-email-complete-guide-explained