https://www.sterlingfoundation.org/forum-1/general-discussion/does-frontier-give-you-a-refund-does-frontier-have-a-hour-cancellation-policy-info-faq
https://www.sterlingfoundation.org/forum-1/general-discussion/does-frontier-give-you-a-refund-does-frontier-have-a-hour-cancellation-policy-info-faq https://www.sterlingfoundation.org/forum-1/general-discussion/does-frontier-give-you-a-refund-does-frontier-have-a-hour-cancellation-policy-info-faq