✈ ORD → MEL
CHICAGO → MELBOURNE: 19H 16M. BUSINESS CLASS OR THERAPY. PICK ONE.
Flight from Chicago to Melbourne
From O'Hare (ORD), USA North America → Tullamarine (MEL), Australia Oceania
How long is the flight from Chicago to Melbourne?
A nonstop flight from Chicago (ORD) to Melbourne (MEL) takes about 19 hours 16 minutes, covering a great-circle distance of 9,666 miles (15,556 km). Actual scheduled time varies by airline, routing, and wind — expect ±15 to 30 minutes from this estimate.
Avg flight time
19h 16m
Nonstop, scheduled
Distance
9,666 mi
15,556 km · great-circle
Avg speed
807 km/h
Door-to-door including taxi
Time zones & jet lag
Chicago timezone
UTC-5
America/Chicago
Melbourne timezone
UTC+10
Australia/Melbourne
Time difference
+15h
15 hours ahead
Jet lag (rough)
~15d
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.