https://www.devex.com/people/cancellaton-deadline-can-you-cancel-a-southwest-flight-without-penalty-2368895 https://www.devex.com/people/contact-customercare-can-you-cancel-a-southwest-flight-without-penalty-2368914 https://www.devex.com/people/jetblue-can-you-cancel-within-24-hours-on-jetblue-calling-2368917 https://www.devex.com/people/no-penalty-can-you-cancel-a-southwest-flight-without-penalty-2368943 https://www.devex.com/people/moment-planer-what-is-the-cancellation-policy-for-aeromexico-2368972