You might have to cancel a Hawaiian Airlines flight that you had been looking forward to for months if circumstances change. If you\ve ever had to postpone or cancel Hawaiian Airlines flight, you are aware of the expense and inconvenience involved. If you need to modify or cancel a reservation you made with Hawaiian Airlines, please use this link. You can discover all the information you need on our website to investigate the Hawaiian Airlines cancellation policy and determine whether regulations apply in your situation. Because they pay attention to their clients, Hawaiian Airlines has implemented a 24-hour cancellation policy. Travelers have more advantages choices while making preparations. As long as they follow the airline\s 24-hour cancellation policy, travellers may change or cancel their flight up to 24 hours after placing their reservation.