✈ ATL → SYD

18H 32M, 9,285 MILES. YOUR ANCESTORS WALKED LESS THAN THIS.

Flight time
18h 32m
Distance
9,285 mi
Or
14,943 km
Jet lag
14h

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.

✈ Flight 2212 kg CO₂
🚗 Car (alone) 2555 kg CO₂
🚆 Train 613 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.