Zurich Airport (ZRH) is world-renowned for its "Swiss efficiency," but you still need to budget your time carefully depending on your destination. For a standard international departure, you should arrive at least 2 to 2.5 hours before your flight. If you are traveling during peak morning or evening hours, security and passport control can take up to 45 minutes. For those connecting between flights, Zurich offers one of the shortest "Minimum Connection Times" (MCT) in Europe at just 40 minutes; however, a layover of at least 60–90 minutes is recommended to account for any potential flight delays or the 3-minute Skymetro ride to the satellite Terminal E. If you have a long layover and want to visit the city, you need at least 4.5 hours to comfortably leave the airport, spend 2 hours in the Old Town (just 11 minutes away by train), and return with enough time to clear security and reach your gate 45 minutes before boarding.