Flight Time Calculator
Estimate flight duration from distance and cruising speed.
km
km/h
min
How it works
Flight time = distance ÷ cruising speed + a fixed allowance for taxi, climb, and descent. Wind can change the real time by an hour or more, which is why eastbound flights are often quicker. Airline schedules also include buffer time. Example: with the default values, 5,000 km at 850 km/h plus 30 minutes comes to about 6.4 hours.
FAQ
Is this calculator free?
Yes. No signup is needed and nothing you enter is stored.
Is the result exact?
Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.
Do my numbers leave my device?
No. The calculation runs in your browser.