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Route Reference

Chicago to Sydney

ORD
Chicago
SYD
Sydney
Distance14,862 km / 9,235 miles
Estimated Flight Time≈ 17.5 hours nonstop
Origin Time ZoneAmerica/Chicago
Destination Time ZoneAustralia/Sydney

Airlines Based in United States or Australia

These carriers are headquartered in one of the two countries on this route — check directly for current route-specific availability:

How This Route Appears in a GDS PNR

A segment on this route typically looks like this in a raw PNR:

2  BA 287 Y 15JUL 2*ORDSYD HK1  800A  2000P

The six-letter pair ORDSYD tells you the flight departs Chicago and arrives in Sydney.

Frequently Asked Questions

How far is Chicago from Sydney?

Chicago (ORD) is approximately 14,862 km (9,235 miles) from Sydney (SYD).

How long is the flight from Chicago to Sydney?

A nonstop flight from ORD to SYD takes roughly 17.5 hours, based on typical long-haul cruise speed. Actual time varies by aircraft, routing, and wind.

What is the time difference between Chicago and Sydney?

Chicago is on America/Chicago and Sydney is on Australia/Sydney — check both before planning connections or calling clients.

Convert a Chicago–Sydney PNR to a Clean Itinerary

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