✈ ORD → BOS
2H 49M FROM CHICAGO TO BOSTON. PACK A BOOK YOU WON'T FINISH.
Flight from Chicago to Boston
From O'Hare (ORD), USA North America → Logan (BOS), USA North America
How long is the flight from Chicago to Boston?
A nonstop flight from Chicago (ORD) to Boston (BOS) takes about 2 hours 49 minutes, covering a great-circle distance of 864 miles (1,391 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
2h 49m
Nonstop, scheduled
Distance
864 mi
1,391 km · great-circle
Avg speed
494 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Boston timezone
UTC-4
America/New_York
Time difference
+1h
1 hour ahead
Jet lag (rough)
~1d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.8× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.