Flight Time Calculator
Popular Routes
Distance
Cruise Speed (km/h)
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.
- 1Air Time = Distance ÷ Cruise Speed
- 2Commercial jets cruise at 870–950 km/h (540–590 mph)
- 3Block Time = Air Time + ~45 min for taxi and ATC overhead
- 4Actual time varies with headwinds, tailwinds, and routing
London to New York 5,540 km at 900 km/h=Air time 6h 9m, block time 6h 54m
Sydney to LA 12,074 km at 900 km/h=Air time 13h 25m, block time 14h 10m
Dubai to London 5,484 km at 900 km/h=Air time 6h 5m, block time 6h 50m
| Route | Distance (km) | Est. Air Time | Typical Block |
|---|---|---|---|
| LHR to JFK | 5,540 | 6h 9m | 7h 20m eastbound |
| SYD to LAX | 12,074 | 13h 25m | 14h 30m |
| DXB to LHR | 5,484 | 6h 5m | 7h 30m |
| LAX to JFK | 3,940 | 4h 22m | 5h 15m |
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