Flight Time Calculator

A flight time calculator estimates the duration of a flight based on great-circle distance and typical cruise speed. Block time adds the taxi, takeoff, and landing overhead to the pure air time

The calculator uses the standard published formula for flight time. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

This calculator works with inches, kilometres, miles per hour, kilometres per hour. You can enter values in the units shown — the calculator handles all conversions internally.

The core formula is: Air Time = Distance ÷ Cruise Speed. Each step in the calculation is shown so you can verify the result manually.