https://ssha-advising.ucmerced.edu/sites/g/files/ufvvjh2121/f/webform/full-list-of-united-airlines-customer-contact-service-numbers-in-the-usa.pdf https://ssha-advising.ucmerced.edu/sites/g/files/ufvvjh2121/f/webform/full-list-of-united-airlines-customer-care-contact-service-numbers-in-the-usa.pdf https://ssha-advising.ucmerced.edu/sites/g/files/ufvvjh2121/f/webform/your-complete-united-airlines-customer-help-directory-official-usa-support-numbers-live-chat-and-agent-connections.pdf https://ssha-advising.ucmerced.edu/sites/g/files/ufvvjh2121/f/webform/talk-to-someone-at-united-airlines-usa-through-contact-numbers-the-detailed-guide.pdf