Flight Duration Calculator
Estimate flight time from distance and aircraft speed
Frequently Asked Questions
Distance ÷ cruise speed gives the base flying time, then a routing/wind allowance (5-15%, larger for longer flights) and airport buffer are added for a realistic total.
Air traffic control routing, jet streams, and avoiding restricted airspace mean actual flight paths are typically 5-15% longer than the direct great-circle distance, with the allowance growing on longer routes.
Most commercial jets cruise around 500-560 mph (Boeing 737, Airbus A320); long-haul widebody jets can cruise faster, around 560-590 mph.
Search "distance from [city] to [city]" on Google, or use a flight-distance lookup tool, then enter that great-circle distance here.