Activity
- https://apply-f.com/forum/general-discussion/apply-f-com-community/7376-%E3%80%90%C2%AEunited-cancellation-policie-%E2%84%A2%E3%80%91what-is-the-cancelation-policy-for-united-airlines
- https://www.devex.com/people/what-is-the-cancelation-policy-for-united-airlines-2339861
- https://www.devex.com/people/faq-what-is-the-southwest-cancelation-policy-quick-info-2339835
- https://www.devex.com/people/_-is-there-a-penalty-for-canceling-a-southwest-flight-2339780
