Washington, United States
| IATA Code | DCA |
|---|---|
| ICAO Code | KDCA |
| City | Washington |
| Country | United States |
| Time Zone | America/New_York |
| Coordinates | 38.8512, -77.0402 |
| Elevation | 15 ft / 5 m above sea level |
| State/Region | Virginia |
The same availability check looks different depending on the GDS in front of you. Here's the pattern for a generic search into DCA, using DCA as the destination:
Amadeus: AN15JULLHRDCA Sabre: A15JUNLHRDCA Galileo: A/15JUNLHRDCA
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) | 5,882 km / 3,655 mi | ≈ 6.9h nonstop |
JFK (New York) | 343 km / 213 mi | ≈ 0.4h nonstop |
DXB (Dubai) | 11,338 km / 7,045 mi | ≈ 13.3h nonstop |
SIN (Singapore) | 15,542 km / 9,657 mi | ≈ 18.3h nonstop |
SYD (Sydney) | 15,715 km / 9,765 mi | ≈ 18.5h 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 DCA, at roughly 0.4 hours nonstop, while Sydney is the furthest, at roughly 18.5 hours. When an itinerary routes a client through DCA 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 Washington is DCA — Ronald Reagan Washington National Airport.
Ronald Reagan Washington National Airport operates on America/New_York time.
In a flight segment line, DCA appears as the three-letter origin or destination code, e.g. a route shown as ...DCA... in Amadeus, Sabre, Galileo, or Worldspan.
Of the reference hubs listed on this page, New York is the closest to DCA, at an estimated 0.4 hours nonstop flight time.
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