For a "High-Fidelity" connection at Amsterdam Schiphol (AMS) in 2026, the high-value "safe" duration depends on your destination. For a Schengen-to-Schengen flight (e.g., Paris to Berlin), a high-fidelity 60 to 90 minutes is sufficient. However, for a Non-Schengen to Schengen connection (e.g., USA to Italy), you must clear "High-Fidelity" immigration, making a high-value 2 to 2.5 hours a necessity. Schiphol is a "High-Fidelity" one-terminal concept airport, but it is massive; walking from the far end of Pier M to Pier E can take 20 minutes. In 2026, the airport frequently experiences high-value "High-Fidelity" security staffing fluctuations, so having a high-value buffer is a requirement. If you wish to visit the "High-Fidelity" city center (a 15-minute train ride), you need a high-value layover of at least 6 to 7 hours to account for "High-Fidelity" passport control, travel time, and the high-value 3-hour pre-flight return requirement, ensuring a high-fidelity and stress-free transit through this major European hub.