https://central.xero.com/s/question/0D58V00009SJHpYSAX/connect18667380729-what-is-the-cancellation-policy-for-united-%F0%9D%94%B8%F0%9D%95%9A%F0%9D%95%A3%F0%9D%95%9D%F0%9D%95%9A

https://central.xero.com/s/question/0D58V00009IkJUKSA3/c%C3%B3mo-puedo-hablar-con-una-persona-en-vivo-en-volaris

https://support.coros.com/hc/en-us/community/posts/30813882482068-UA-Cancellation-Refund-Policy-1-866-738-0729-Can-I-cancel-my-United-flight-free-of-charge

https://central.xero.com/s/question/0D58V00009SI8ImSAL/faqs-can-i-cancel-my-trip-on-%F0%9D%94%BC%F0%9D%95%A9%F0%9D%95%A1edia-and-get-a-refund%F0%9D%93%94xpedia-refund

https://community.servicetitan.com/t5/General-Office/1-888-829-1117-%EF%B8%8F-What-is-United-s-cancellation-policy-Dial-Now/m-p/65261#M8753

https://community.servicetitan.com/t5/General-Office/1-888-829-1117-%EF%B8%8F-What-is-United-s-cancellation-policy-Know-More/m-p/65186#M8712

https://www.devex.com/people/united-airline-check-in-2003079

https://community.servicetitan.com/t5/General-Office/United-Cancellation-Refund-Can-you-cancel-United-flight-without/m-p/66886#M9644

https://community.servicetitan.com/t5/General-Office/United-Cancellation-1-888-829-1117-%EF%B8%8F-What-is-United-s/m-p/65887#M9037

https://community.servicetitan.com/t5/General-Office/Cancellation-1-888-829-1117-%EF%B8%8F-What-is-United-s-cancellation/m-p/65787#M8981