https://www.devex.com/people/delta-airlines-cancellation-policy-2016111

https://communitysandbox.more4apps.com/help/s/question/0D5Pu00000JjNqOKAV/connect-can-icancel-my-united-flight-without-penalty-

https://www.devex.com/people/delta-airlines-cancellation-policy-refund-guide-2015749

https://support.clouditude.com/help/s/question/0D57800000WYrkuCAD/can-i-ancel-my-united-flight-without-penalty-?language=en_US

https://support.clouditude.com/help/s/question/0D57800000WYrM4CAL/can-you-18888291117-cancel-united-flight-without-penaltyrefund-policy?lang...

https://tinyurl.com/ynpxde3c

https://communitysandbox.more4apps.com/help/s/question/0D5Pu00000JhWXyKAN/can-17-i-cancel-my-united-airlines-flight-without-penalty-

https://communitysandbox.more4apps.com/help/s/question/0D5Pu00000JhVyTKAV/can-17-i-cancel-my-united-airlines-flight-without-penalty-

https://communitysandbox.more4apps.com/help/s/question/0D5Pu00000JhRV9KAN/tollfree-17-can-i-cancel-my-united-airlines-flight-without-penalty...

https://communitysandbox.more4apps.com/help/s/question/0D5Pu00000JhS7vKAF/-does-delta-have-a-cancellation-policy