✈ ATL → SYD
18H 32M, 9,285 MILES. YOUR ANCESTORS WALKED LESS THAN THIS.
Flight from Atlanta to Sydney
From Hartsfield-Jackson (ATL), USA North America → Kingsford Smith (SYD), Australia Oceania
How long is the flight from Atlanta to Sydney?
A nonstop flight from Atlanta (ATL) to Sydney (SYD) takes about 18 hours 32 minutes, covering a great-circle distance of 9,285 miles (14,943 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
18h 32m
Nonstop, scheduled
Distance
9,285 mi
14,943 km · great-circle
Avg speed
806 km/h
Door-to-door including taxi
Time zones & jet lag
Atlanta timezone
UTC-4
America/New_York
Sydney timezone
UTC+10
Australia/Sydney
Time difference
+14h
14 hours ahead
Jet lag (rough)
~14d
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.