✈ ORD → HKG
15H 40M FROM CHICAGO TO HONG KONG. THIS IS NOT TRAVEL. THIS IS ENDURANCE.
Flight from Chicago to Hong Kong
From O'Hare (ORD), USA North America → Hong Kong International (HKG), Hong Kong Asia
How long is the flight from Chicago to Hong Kong?
A nonstop flight from Chicago (ORD) to Hong Kong (HKG) takes about 15 hours 40 minutes, covering a great-circle distance of 7,781 miles (12,523 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
15h 40m
Nonstop, scheduled
Distance
7,781 mi
12,523 km · great-circle
Avg speed
800 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Hong Kong timezone
UTC+8
Asia/Hong_Kong
Time difference
+13h
13 hours ahead
Jet lag (rough)
~13d
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.