https://airlinedirectconnect.zohodesk.com/portal/en/kb/articles/trip-adjustment-does-ana-allow-flight-changes

https://airlinedirectconnect.zohodesk.com/portal/en/kb/articles/plan-update-how-do-i-change-my-flight-on-japan-airlines

https://airlinedirectconnect.zohodesk.com/portal/en/kb/articles/booking-adjust-does-ana-let-you-change-flights

http://linode.mono.ca.gov/1-800-228-2760-does-breeze-have-cancellation-fee-updated-info%E2%84%A2

http://linode.mono.ca.gov/1-800-228-2760-how-much-does-it-cost-cancel-breeze-flight-latest-policy%E2%84%A2

http://linode.mono.ca.gov/1-888-839-0555-how-get-united-waive-cancellation-fee-easy-guide

http://linode.mono.ca.gov/1-888-839-0555-does-united-reimburse-cancelled-flights-full-policy

http://linode.mono.ca.gov/1-888-839-0555-what-cancellation-policy-united-airlines-explained-cancellation-policy

http://linode.mono.ca.gov/1-888-839-0555-what-cancellation-policy-united-airlines-step-info

http://linode.mono.ca.gov/1-888-839-0555-does-united-compensate-cancelled-flight-step-details