Flight O'Hare International Airport departs from Chicago O'Hare International Airport at 12:32 and arrives at Fort Lauderdale Hollywood International Airport at 16:30.
The flighttime is about 2h 58m. The distance travelled ("as the bird flies"): 873 Km. So the average speed is roughly 294 Km.
There is an 1 hour time difference between Chicago and Fort Lauderdale