"See actual flight paths with flightpaths.com"
Weather, politics and local regulations can affect the choice of airspace and flight corridors. Flightpaths.com lets you see the real flight paths and compare passenger airlines and flight times simplified on an interactive map.
Flights from San Francisco (SFO), USA to Chicago (ORD), USA illustrated on a map. Based on 14 recorded flights, the distance can vary between 1899 and 1947 miles.
Over water
Over water
Over water
You can also check the reverse route: Chicago to San Francisco