https://www.photo.net/forums/topic/676732-united-cancellation-policy-what-you-need-to-know/

https://businessstrategy.louisville.edu/hc/en-us/community/posts/34685616532499-Travel-Guide-AA-1-860-294-8474-What-is-the-cancellation-policy-for-American-Airlines

https://www.photo.net/forums/topic/676720-call-%C2%AE%EF%B8%8F-%F0%9D%9F%8F-%F0%9D%9F%96-%F0%9D%9F%94-%F0%9D%9F%8E-%F0%9D%9F%90-%F0%9D%9F%97-%F0%9D%9F%92-%F0%9D%9F%96-%F0%9D%9F%92-%F0%9D%9F%95-%F0%9D%9F%92-what-is-the-cancellation-policy-for-american-airlines-quick~guide~cancellation/

https://www.photo.net/forums/topic/676710-%C4%91%C9%98%C5%82%C5%A7%C9%91%E2%84%A2-%C2%BFc%C3%B3mo-llamar-a-delta-airlines-m%C3%A9xico-telefono/

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https://www.watchuseek.com/threads/can-i-get-a-refund-with-an-united-if-i-cancel-within-24-hours.5591142/

https://www.photo.net/forums/topic/676698-%C2%A1ayudagu%C3%ADaagente-%C2%BFc%C3%B3mo-llamar-a-volaris-airlines-desde-per%C3%BA/

https://globalcomix.com/forums/threads/12520/-aa-what-is-the-cancelation-policy-for-american-airlines-

https://www.chess.com/forum/view/general/aatmwhat-is-the-cancelation-policy-for-american-airlines-f-a-q

https://en.community.sonos.com/ask-a-question-228987/official-%F0%9D%94%B8-%F0%9D%94%B8-%F0%9D%9F%8F-%F0%9D%9F%96-%F0%9D%9F%94-%F0%9D%9F%8E-%F0%9D%9F%90-%F0%9D%9F%97-%F0%9D%9F%92-%F0%9D%9F%96-%F0%9D%9F%92-%F0%9D%9F%95-%F0%9D%9F%92-can-i-cancel-my-american-flight-for-free-anytime-guide-6916773