Flight O'Hare International Airport departs from Chicago O'Hare International Airport at 06:03 and arrives at Orlando Orlando International Airport at 11:28.The flight has a short stop at New York.
The flighttime is about 4h 25m. The distance travelled ("as the bird flies"): 742 Km. So the average speed is roughly 168 Km.
There is an 1 hour time difference between Chicago and Orlando