A 1-hour connection at Istanbul Airport (IST) is considered extremely tight and is generally not recommended unless both flights are on a single ticket with Turkish Airlines. IST is one of the largest terminal buildings in the world; walking from one end of a pier to another can easily take 20 to 30 minutes. If your first flight arrives at a "remote stand" requiring a bus transfer, or if you have to clear an additional security check for an international-to-international transfer, a 60-minute window leaves zero room for error. Most travel experts and the airline itself recommend a minimum of 90 minutes to 2 hours for a comfortable transit. While the airport features "Short Connection" buggy services and priority lanes, a slight delay in your inbound flight will almost certainly result in a missed connection. In 2026, many frequent travelers opt for at least 3 hours to enjoy the airport's massive lounge and retail facilities safely.