✈ ORD → JNB

17H 26M IN ECONOMY = A FELONY AGAINST YOURSELF. UPGRADE.

Flight time
17h 26m
Distance
8,711 mi
Or
14,019 km
Jet lag
7h

Flight from Chicago to Johannesburg

From O'Hare (ORD), USA North America  →  O.R. Tambo (JNB), South Africa Africa

↔ Flying the other way? Johannesburg → Chicago

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.

✈ Flight 2075 kg CO₂
🚗 Car (alone) 2397 kg CO₂
🚆 Train 575 kg CO₂

This flight emits roughly 3.6× the CO₂ of an equivalent train trip and 0.9× a car driven alone over the same distance.