https://official-travel-help.forumactif.com/t150-frontierairlines-usa-a-step-by-step-guide#150

https://official-travel-help.forumactif.com/t149-delta-usa-contact-numbers-a-quick-guide#149

https://official-travel-help.forumactif.com/t148-deltaairlines-usa-a-step-by-step-guide#148

https://youtu.be/9yzSopxR6_Q

https://official-travel-help.forumactif.com/t147-united-usa-contact-numbers-a-quick-guide#147

https://official-travel-help.forumactif.com/t146-united-usa-contact-numbers-call-now-for-rapid-support#146

http://blog.zamstudios.com/wp-content/uploads/2025/02/official-full-list-of-american-airlines-customer-contact.pdf

https://airwayshelpingagent.zohodesk.com/portal/en/kb/articles/airways-detailed-discussion-what-is-the-24-hour-rule-for-qatar-airways

https://american-helphub.forumotion.eu/t3-americanairlines-usa-talk-to-live-agent-at-united-airlines#3

https://american-helphub.forumotion.eu/t2-official-full-list-of-american-airlines-customer-contact#2