✈ ORD → SFO
4H 17M FLIGHT. 1,842 MILES. YOUR PHONE WILL DIE.
Flight from Chicago to San Francisco
From O'Hare (ORD), USA North America → SFO (SFO), USA North America
How long is the flight from Chicago to San Francisco?
A nonstop flight from Chicago (ORD) to San Francisco (SFO) takes about 4 hours 17 minutes, covering a great-circle distance of 1,842 miles (2,964 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
4h 17m
Nonstop, scheduled
Distance
1,842 mi
2,964 km · great-circle
Avg speed
693 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
San Francisco timezone
UTC-7
America/Los_Angeles
Time difference
-2h
2 hours behind
Jet lag (rough)
~1.4d
Westward — easier
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3× the CO₂ of an equivalent train trip and 0.7× a car driven alone over the same distance.