✈ ORD → JNB
17H 26M, 8,711 MILES. YOUR ANCESTORS WALKED LESS THAN THIS.
Flight from Chicago to Johannesburg
From O'Hare (ORD), USA North America → O.R. Tambo (JNB), South Africa Africa
How long is the flight from Chicago to Johannesburg?
A nonstop flight from Chicago (ORD) to Johannesburg (JNB) takes about 17 hours 26 minutes, covering a great-circle distance of 8,711 miles (14,019 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
17h 26m
Nonstop, scheduled
Distance
8,711 mi
14,019 km · great-circle
Avg speed
804 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Johannesburg timezone
UTC+2
Africa/Johannesburg
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.