Chicago, United States
| IATA Code | ORD |
|---|---|
| ICAO Code | KORD |
| City | Chicago |
| Country | United States |
| Time Zone | America/Chicago |
| Coordinates | 41.9742, -87.9073 |
| Elevation | 672 ft / 205 m above sea level |
| State/Region | Illinois |
The same availability check looks different depending on the GDS in front of you. Here's the pattern for a generic search into ORD, using ORD as the destination:
Amadeus: AN15JULLHRORD Sabre: A15JUNLHRORD Galileo: A/15JUNLHRORD
Swap in the actual origin code and date for a live search — the structure (date, then city pair) stays the same across systems.
Real, calculated straight-line distances (great-circle) and a rough nonstop flight-time estimate:
| Hub | Distance | Est. Flight Time |
|---|---|---|
LHR (London) | 6,345 km / 3,942 mi | ≈ 7.5h nonstop |
JFK (New York) | 1,188 km / 738 mi | ≈ 1.4h nonstop |
DXB (Dubai) | 11,641 km / 7,233 mi | ≈ 13.7h nonstop |
SIN (Singapore) | 15,050 km / 9,351 mi | ≈ 17.7h nonstop |
SYD (Sydney) | 14,862 km / 9,235 mi | ≈ 17.5h nonstop |
Flight time is a rough estimate based on typical long-haul cruise speed — actual routing, wind, and aircraft type will change the real duration.
New York is the closest of the listed hubs to ORD, at roughly 1.4 hours nonstop, while Singapore is the furthest, at roughly 17.7 hours. When an itinerary routes a client through ORD as a connection point rather than a final destination, it's worth confirming minimum connection time directly with the airport or airline — this varies by terminal and by whether the connection involves a change of airline alliance.
The main IATA airport code for Chicago is ORD — O'Hare International Airport.
O'Hare International Airport operates on America/Chicago time.
In a flight segment line, ORD appears as the three-letter origin or destination code, e.g. a route shown as ...ORD... in Amadeus, Sabre, Galileo, or Worldspan.
Of the reference hubs listed on this page, New York is the closest to ORD, at an estimated 1.4 hours nonstop flight time.
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