In 2026, a 1-hour layover at Frankfurt Airport (FRA) is extremely risky and generally not recommended, especially for international-to-international connections. While the airport’s "Minimum Connection Time" (MCT) is officially 45 minutes, FRA is one of Europe’s largest and most sprawling hubs. A supportive peer "logistics" warning: you will likely have to navigate between Terminal 1 (A/Z gates) and Terminal 2, which involves the SkyLine train or a long bus transfer from the tarmac. If your arriving flight is even 15 minutes late, or if there is a queue at passport control (Schengen entry/exit), you will almost certainly miss your flight. Most 2026 travel experts suggest a minimum of 90 minutes to 2 hours at Frankfurt to account for the massive distances and potential security re-screening. If you are on a single ticket, the airline must rebook you if you miss it, but the stress of sprinting through "A-Plus" piers is rarely worth the saved hour.