Flight Duration Calculator
Calculate actual flight duration given departure and arrival times in different time zones. Find the true flight length, overnight indicator, and timezone-adjusted arrival. Free.
How to Use
Select departure city
Choose your departure city from the list of major airports.
Select arrival city
Choose your arrival city.
Enter departure and arrival times
Enter the local departure and arrival times including their time zones.
Calculate
See the actual flight duration, time zone difference, and whether the flight is overnight.
Features
True Flight Duration
Calculates actual flying time by reversing timezone offsets from local times.
Timezone Adjustment
Shows the timezone difference between origin and destination.
Overnight Indicator
Flags flights that cross midnight in departure time.
Major Airports
Covers 50+ major international airports worldwide.
Frequently Asked Questions
Recommended Reading
Practical guides matched to this calculator, its inputs, and the result users need to trust.