Flight John F Kennedy International Airport departs from New York John F Kennedy International Airport at 13:00 and arrives at Reykjavik Keflavík International Airport at 22:50.
The flighttime is about 4h 50m. The distance travelled ("as the bird flies"): 5861 Km. So the average speed is roughly 1213 Km.
There is an 5 hour time difference between New York and Reykjavik