You can check in online for your Turkish Airlines flight starting 24 hours before the scheduled departure time and up to 90 minutes before the flight takes off. This service is available on the Turkish Airlines official website and through their mobile app, making the check-in process convenient and quick. When you check in online, you can select or change your seat, add additional services like extra baggage if needed, and obtain your boarding pass electronically, which you can either print or save on your mobile device. Online check-in is especially useful for avoiding long lines at the airport and saving time. If you only have carry-on luggage, you can proceed directly to security and your boarding gate after completing online check-in. However, if you have checked baggage, you will need to drop it off at the baggage drop counter at the airport. Baggage drop counters typically close 45 to 60 minutes before international flights and around 30 minutes before domestic flights, so it is important to arrive at the airport early enough to complete this step. Turkish Airlines recommends arriving at least 2 hours before domestic flights and 3 hours before international flights to ensure you have enough time for baggage drop, security screening, immigration, and boarding. Although online check-in is available for most flights, there are some exceptions. Certain airports or routes may require passengers to check in at the airport counter, especially if special documents, visas, or health requirements need to be verified. Additionally, passengers traveling with infants, requiring special assistance, or flying on codeshare flights operated by other airlines might need to use airport check-in services. It is also important to note that some travel classes or ticket types might have specific check-in rules or deadlines. For example, basic economy tickets sometimes require earlier check-in or may not allow online check-in. If you experience any problems with the online check-in system, such as technical issues or difficulties with your booking, Turkish Airlines customer service is available to help. The airline also offers check-in kiosks at many airports, which allow you to check in and print your boarding pass or baggage tags without needing to wait in line at the counter. These kiosks generally open a few hours before departure and close 45 to 60 minutes prior to the flight, depending on the airport. Checking in online for Turkish Airlines is highly recommended to streamline your travel experience. By completing check-in early, you reduce stress at the airport, avoid queues, and can head straight to security if you have no checked bags. You also get to confirm your seat choice well in advance and make any necessary adjustments. Remember to review the specific check-in deadlines and baggage drop times for your departure airport, as they may vary. In summary, Turkish Airlines online check-in opens 24 hours before departure and closes 90 minutes prior, providing a flexible and efficient way to manage your flight preparations. For passengers with checked baggage, it is essential to arrive at the airport early to drop off bags before counters close. Passengers who cannot check in online should use airport counters or kiosks. Planning ahead by checking in online will make your journey smoother and help ensure you don’t miss your flight.