Washington, United States
| IATA Code | IAD |
|---|---|
| ICAO Code | KIAD |
| City | Washington |
| Country | United States |
| Time Zone | America/New_York |
| Coordinates | 38.9531, -77.4565 |
In a raw PNR segment line, IAD shows up as the three-letter origin or destination code — for example, a segment from London to Washington might read:
2 BA 587 Y 15JUL 2*LHRIAD HK1 800A 2000P
The last three letters of the route pair (IAD) tell you the flight is arriving at Washington Dulles International Airport.
Real, calculated straight-line distances (great-circle) and a rough nonstop flight-time estimate:
| Hub | Distance | Est. Flight Time |
|---|---|---|
LHR (London) | 5,902 km / 3,667 mi | ≈ 6.9h nonstop |
JFK (New York) | 366 km / 227 mi | ≈ 0.4h nonstop |
DXB (Dubai) | 11,355 km / 7,055 mi | ≈ 13.4h nonstop |
SIN (Singapore) | 15,530 km / 9,650 mi | ≈ 18.3h nonstop |
SYD (Sydney) | 15,681 km / 9,744 mi | ≈ 18.4h 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.
The main IATA airport code for Washington is IAD — Washington Dulles International Airport.
Washington Dulles International Airport operates on America/New_York time.
In a flight segment line, IAD appears as the three-letter origin or destination code, e.g. a route shown as ...IAD... in Amadeus, Sabre, Galileo, or Worldspan.
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