Flight Heathrow Airport departs from London Heathrow Airport at 12:30 and arrives at New York John F Kennedy International Airport at 15:40.The flight has a short stop at New York. The flighttime is about 8h 10m. The distance travelled ("as the bird flies"): 8185 Km. So the average speed is roughly 1002 Km. There is an 5 hour time difference between London and New York