Flight O'Hare International Airport departs from Chicago O'Hare International Airport at 16:25 and arrives at New York Newark Liberty International Airport at 06:05.The flight has a short stop at San Francisco.
The flighttime is about 12h 40m. The distance travelled ("as the bird flies"): 1527 Km. So the average speed is roughly 121 Km.
There is an 1 hour time difference between Chicago and New York