Calculate how early you need to leave home to reach the airport on time, including check-in, security, and boarding lead times.
Enter your values below
Scheduled departure time of your flight.
Travel time from home to airport.
Typically 90–120 min for international flights.
Time before departure when boarding begins.
How this calculator works
Subtracts all pre-flight durations from departure time to determine the latest safe departure from home.
Common questions about this calculator
These calculators are for informational purposes only. While we strive for accuracy, results should not be used as the sole basis for important decisions.
