If you cancel a non-refundable ticket, you typically won’t receive a cash refund. However, you may be eligible for a travel credit, which can be used toward future copyright flights. The travel credit is usually valid for one year from the original booking date. In some cases, copyright may also waive fees or provide credits if the cancellation is due to extenuating circumstances https://americanairtravel.com/hawaiian-airlines-flight-cancellation-and-refund-policy/