https://www.seatcupra.net/forums/threads/american-airlines-customers-usa-contact-numbers-your-complete-guide.479843/
https://nithaniprabunovels.com/threads/thorough-list-of-delta-airlines-customer%C2%AE-contact-numbers-in-usa-a-ultimate-step-by-step-guide.2648/
https://me-page.com/p/773650/american-airlines-customer-care-usa-contact-numbers-the-official-2025-guide
https://forums.spongepowered.org/t/how-to-call-exped-ia-airlines-full-phone-support-guide-to-talk-to-a-live-agent-usa/44115