Distance from New York to Las Vegas
The great-circle distance between JFK and LAS airports is 3,609 km (2,243 mi, 1,949 nmi). Depending on the airports used it ranges from 3,576–3,609 km. New York airports: JFK, EWR, LGA. Las Vegas airports: LAS.
How long is the flight?
Assuming a cruise speed of 800–850 km/h plus about 30 minutes for taxi, climb and descent, the estimate is 4 h 45 min – 5 h 00 min. Scheduled times differ with routing, airspace restrictions and wind. On long routes, jet streams usually make eastbound flights shorter than westbound ones.
Time difference
Between New York (America/New_York) and Las Vegas (America/Los_Angeles): Las Vegas is 3 h behind.
Flight Time Calculator
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How to use
- 1Search the departure airport by city, IATA code (e.g. LHR) or ICAO code (e.g. EGLL) and pick it from the list.
- 2Pick the arrival airport the same way; use Swap to reverse the route.
- 3Enter the departure date and local departure time to get an estimated local arrival time.
- 4Read the distance (km, miles, nautical miles), initial bearing, estimated flight time and time difference.
How long is the flight? How the estimate works
The calculator works out the great-circle distance between the two airports from their coordinates, assumes a typical jet cruise speed of 800–850 km/h and adds about 30 minutes for taxi, take-off, climb and descent. The result is shown as a range rather than a single number. London Heathrow (LHR) to New York JFK, for example, is about 5,540 km, which gives an estimate of roughly 7 h 01 min to 7 h 25 min. It is an estimate: scheduled block times also depend on routing, airspace restrictions, winds and congestion at the airport.
Time difference and local arrival time
When both airports have a known time zone, the tool shows the real time difference on your departure date, including daylight saving time — the gap between London and New York is usually 5 hours, but it shifts for a few weeks a year when the clocks change on different dates. Enter your departure time and you get an estimated arrival window in the destination’s local time, with the weekday, so you can see at a glance whether an overnight flight lands the next day.
Winds, routing and 3,244 airports
The search covers 3,244 airports with an IATA code and scheduled passenger service from the public-domain OurAirports database, so London Heathrow, Gatwick, Stansted and City can each be chosen separately. On long routes the jet stream matters: eastbound flights across the Atlantic are often an hour or more shorter than westbound ones. The real track is a little longer than the great circle. The map uses a simple equirectangular projection, and the initial bearing is the compass direction at departure.
Frequently asked questions
How long is the flight from London to New York?
Heathrow to JFK is about 5,540 km in a straight line. The calculator estimates around 7 to 7½ hours; in practice westbound flights usually take longer than eastbound ones because of the jet stream.
Why does the estimate differ from my booking?
Airlines publish block times that include taxiing, holding and typical winds, and the real route is longer than the great circle. The tool gives a general estimate from cruise speed plus a fixed allowance.
Does it work for connecting flights?
It calculates the direct distance and flight time between two airports. For a connection, calculate each leg separately and add your layover time.
What is a nautical mile?
Aviation measures distance in nautical miles: 1 NM = 1.852 km, compared with 1.609 km for a statute mile. The tool shows all three units.
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