Flight Humberto Delgado Airport departs from Lisbon Humberto Delgado Airport at 11:55 and arrives at Chicago O'Hare International Airport at 15:25.
The flighttime is about 9h 30m. The distance travelled ("as the bird flies"): 8759 Km. So the average speed is roughly 922 Km.
There is an 6 hour time difference between Lisbon and Chicago
