Flight Paris Charles de Gaulle Airport departs from Paris Paris Charles de Gaulle Airport at 14:40 and arrives at Chicago O'Hare International Airport at 16:45.
The flighttime is about 9h 05m. The distance travelled ("as the bird flies"): 10059 Km. So the average speed is roughly 1107 Km.
There is an 7 hour time difference between Paris and Chicago