✈ ORD → CPH
8H 55M. CHICAGO TO COPENHAGEN. YOUR BACK WILL FILE A COMPLAINT.
Flight from Chicago to Copenhagen
From O'Hare (ORD), USA North America → Kastrup (CPH), Denmark Europe
How long is the flight from Chicago to Copenhagen?
A nonstop flight from Chicago (ORD) to Copenhagen (CPH) takes about 8 hours 55 minutes, covering a great-circle distance of 4,259 miles (6,854 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
8h 55m
Nonstop, scheduled
Distance
4,259 mi
6,854 km · great-circle
Avg speed
769 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Copenhagen timezone
UTC+2
Europe/Copenhagen
Time difference
+7h
7 hours ahead
Jet lag (rough)
~7d
Eastward — worse
CO₂ footprint per passenger
Economy class, single passenger. Source: DEFRA 2024 averages.
This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.