If you were to fly from Chicago Illinois Ottawa Canada what two great lakes would over?

You would not fly over any Great Lakes on a direct flight from Chicago, Illinois, to Ottawa, Canada. Ottawa is located in the province of Ontario, Canada, which is north of the Great Lakes region. The Great Lakes are located between the United States and Canada, and Chicago is located on the western shore of Lake Michigan. To fly from Chicago to Ottawa, you would likely fly over land, not water.