Turkish Airlines recommends passengers arrive at the airport well in advance to complete the check-in process and security procedures. Turkish Airlines check-in time for international flights is generally advised to arrive at least 3 hours before the scheduled departure time. However, it is important to note that check-in times may vary based on factors such as the destination, and specific flight requirements. Read more: https://www.travomonk.com/check-in/turkish-airlines-check-in-policy/