✈ ATL → JNB
ATLANTA → JOHANNESBURG: 16H 55M. BUSINESS CLASS OR THERAPY. PICK ONE.
Flight from Atlanta to Johannesburg
From Hartsfield-Jackson (ATL), USA North America → O.R. Tambo (JNB), South Africa Africa
How long is the flight from Atlanta to Johannesburg?
A nonstop flight from Atlanta (ATL) to Johannesburg (JNB) takes about 16 hours 55 minutes, covering a great-circle distance of 8,440 miles (13,583 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
16h 55m
Nonstop, scheduled
Distance
8,440 mi
13,583 km · great-circle
Avg speed
803 km/h
Door-to-door including taxi
Time zones & jet lag
Atlanta timezone
UTC-4
America/New_York
Johannesburg timezone
UTC+2
Africa/Johannesburg
Time difference
+6h
6 hours ahead
Jet lag (rough)
~6d
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.