✈ JFK → SYD
19H 49M IN ECONOMY = A FELONY AGAINST YOURSELF. UPGRADE.
Flight from New York to Sydney
From JFK (JFK), USA North America → Kingsford Smith (SYD), Australia Oceania
How long is the flight from New York to Sydney?
A nonstop flight from New York (JFK) to Sydney (SYD) takes about 19 hours 49 minutes, covering a great-circle distance of 9,950 miles (16,013 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
19h 49m
Nonstop, scheduled
Distance
9,950 mi
16,013 km · great-circle
Avg speed
808 km/h
Door-to-door including taxi
Time zones & jet lag
New York 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.