Flight John F Kennedy International Airport departs from New York John F Kennedy International Airport at 20:25 and arrives at Reykjavik Keflavík International Airport at 06:15.
The flighttime is about 5h 50m. The distance travelled ("as the bird flies"): 5861 Km. So the average speed is roughly 1005 Km.
There is an 4 hour time difference between New York and Reykjavik