✈ ATL → SIN
19H 50M FROM ATLANTA TO SINGAPORE. THIS IS NOT TRAVEL. THIS IS ENDURANCE.
Flight from Atlanta to Singapore
From Hartsfield-Jackson (ATL), USA North America → Changi (SIN), Singapore Asia
How long is the flight from Atlanta to Singapore?
A nonstop flight from Atlanta (ATL) to Singapore (SIN) takes about 19 hours 50 minutes, covering a great-circle distance of 9,957 miles (16,024 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
19h 50m
Nonstop, scheduled
Distance
9,957 mi
16,024 km · great-circle
Avg speed
808 km/h
Door-to-door including taxi
Time zones & jet lag
Atlanta timezone
UTC-4
America/New_York
Singapore timezone
UTC+8
Asia/Singapore
Time difference
+12h
12 hours ahead
Jet lag (rough)
~12d
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.