For flights within Europe (Schengen to Schengen), the standard recommendation is to arrive at the airport 2 hours before departure. If you are flying from a European hub to a non-Schengen destination (like the UK, USA, or UAE), you should increase this to 3 hours to account for mandatory passport control. In 2026, these times have become even more critical due to the implementation of the EES (Entry/Exit System), which requires biometric data collection for non-EU citizens, often causing bottlenecks at border gates. If you are traveling with only hand luggage and have already checked in on your phone, you might be able to arrive 90 minutes early at smaller airports. However, major hubs like Heathrow, Schiphol, or Frankfurt frequently experience long security queues during peak morning and evening "bank" times. Additionally, most European airlines close their bag-drop counters exactly 40 to 60 minutes before the flight; if you miss this window, you will not be allowed to board. Always check your airline's specific app for "Live Security Wait Times," as these can provide a more accurate picture of whether you need that extra hour of buffer time.