✈ SEA → ORD
4H 2M FLIGHT. 1,716 MILES. YOUR PHONE WILL DIE.
Flight from Seattle to Chicago
From Sea-Tac (SEA), USA North America → O'Hare (ORD), USA North America
How long is the flight from Seattle to Chicago?
A nonstop flight from Seattle (SEA) to Chicago (ORD) takes about 4 hours 2 minutes, covering a great-circle distance of 1,716 miles (2,762 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
4h 2m
Nonstop, scheduled
Distance
1,716 mi
2,762 km · great-circle
Avg speed
684 km/h
Door-to-door including taxi
Time zones & jet lag
Seattle timezone
UTC-7
America/Los_Angeles
Chicago timezone
UTC-5
America/Chicago
Time difference
+2h
2 hours ahead
Jet lag (rough)
~2d
Eastward — worse
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.