✈ HKG → ORD
15H 40M IN ECONOMY = A FELONY AGAINST YOURSELF. UPGRADE.
Flight from Hong Kong to Chicago
From Hong Kong International (HKG), Hong Kong Asia → O'Hare (ORD), USA North America
How long is the flight from Hong Kong to Chicago?
A nonstop flight from Hong Kong (HKG) to Chicago (ORD) 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
Hong Kong timezone
UTC+8
Asia/Hong_Kong
Chicago timezone
UTC-5
America/Chicago
Time difference
-13h
13 hours behind
Jet lag (rough)
~9.1d
Westward — easier
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.