Turkish Airlines Flight Delay Policy:- Turkish Airlines is a significant airline in Turkey, with a wide range of both local and international flights. If you intend to cancel your Turkish Airlines flight, it is advised that you learn more about the airline’s cancellation policy before moving further. cancellation policy of 24 hours ( Depends origin country and airlines) Turkish Airlines establishes a 24-hour cancellation policy in response to the demands and circumstances of its customers. Turkish Airlines gives customers extra incentives and freedom while handling their reservations.