Flight O'Hare International Airport departs from Chicago O'Hare International Airport at 10:30 and arrives at Tokyo Narita International Airport at 15:00.
The flighttime is about 13h 30m. The distance travelled ("as the bird flies"): 14643 Km. So the average speed is roughly 1085 Km.
There is an 15 hour time difference between Chicago and Tokyo
