Originfacts

Airport guide

Washington Dulles International AirportIATA code IAD

Washington Dulles International Airport (IAD/KIAD) is the primary air passenger gateway serving Washington, United States in North America. Originfacts tracks 1 direct destination departing from IAD.

Serves
Washington, United States
Codes
IAD · KIAD
IATA · ICAO
Time zone
America/New_York
Region
North America
Airport record, updated 2 May 2026Route records, updated 21 May 2026OurAirports, 5 Oct 2026Wikidata, 5 Oct 2026Travelpayouts fares, 5 Oct 2026NASA POWER climate, 2016–2025Terminals and transport not yet verifiedWhere this comes from

Washington Dulles International Airport (IAD/KIAD) is the primary air passenger gateway serving Washington, United States in North America. Operating on America/New_York local time at coordinates 38.950°, -77.450°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Originfacts tracks 1 destination departing from IAD, with primary carrier operations including American Airlines and United Airlines, connecting key routes to London. Passengers traveling through Washington Dulles International Airport are advised to verify terminal assignments, compare ground transport links into Washington, and plan check-in times with their operating airline before departure.

Washington Dulles International Airport details

Airport record · 2 May 2026
IATA code
IAD
ICAO code
KIAD
City
Washington
Country
United States
Region
North America
Time zone
America/New_York
Coordinates
38.944°, -77.456°
From OurAirports

Codes, region and time zone come from the Originfacts airport record (last updated 2 May 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Washington Dulles International Airport’s own pages.

IAD airport facts

OurAirports · Wikidata
Size class
Large airport
From OurAirports (5 Oct 2026); OurAirports’ own classification
Elevation
95 m (312 ft)
From OurAirports (5 Oct 2026)
Opened
1962
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026) — date of official opening
Operator
Metropolitan Washington Airports Authority
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Owner
Metropolitan Washington Airports Authority
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Passengers, 2024
27.3 million
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026), citing mwaa.com (opens in a new tab)
Named after
Washington, D.C., John Foster Dulles
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Nearest airport with scheduled flights
Ronald Reagan Washington National Airport DCA · 38 km
OurAirports scheduled-service flag; straight-line distance calculated

Runways at IAD

OurAirports · 5 Oct 2026

Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.

4 open runways, all lit. Longest 01C/19C: 3,505 m, concrete.

Runways at IAD: length, width, surface and lighting
RunwayLengthWidthSurface
01C/19C3,505 m11,500 ft46 mconcrete
01R/19L3,505 m11,500 ft46 mconcrete
12/303,201 m10,501 ft46 mconcrete
01L/19R2,865 m9,400 ft46 mconcrete

Airlines and destinations from IAD

Travelpayouts · 5 Oct 2026

Source: Travelpayouts fare data, 5 Oct 2026 — destinations where travellers found a nonstop fare from IAD in the days before that date. Not a complete or live schedule.

Nonstop fares from IAD to 77 destinations in 36 countries, on 18 airlines. Originfacts’ own route records for IAD are listed separately below.

Airlines named on the fares

The airline on a fare can be the seller of a codeshare flown by a partner. Linked names are matched to Originfacts airline pages by code and name; others are shown as the fare data names them.

Destinations by country

United States (36)
Atlanta, Austin, Boston, Buffalo, Burlington, Charlotte, Chicago, Cincinnati, Dallas, Denver, Detroit, Fort Lauderdale, Honolulu, Houston, Huntsville, Jacksonville, Las Vegas, Los Angeles, Miami, Minneapolis, Mobile, New Orleans, New York, Orlando, Palm Springs, Philadelphia, Phoenix, Raleigh, Richmond, Sacramento, San Antonio, San Diego, San Francisco, Seattle, Tampa, West Palm Beach
Canada (2)
Montreal, Toronto
Colombia (2)
Bogota, Cartagena
Mexico (2)
Cancun, Mexico City
Saudi Arabia (2)
Jeddah, Riyadh
Spain (2)
Barcelona, Madrid
United Arab Emirates (2)
Abu Dhabi, Dubai
Austria (1)
Vienna
Bahamas (1)
Nassau
Belgium (1)
Brussels
Brazil (1)
Sao Paulo
Costa Rica (1)
San Jose
Dominican Republic (1)
Punta Cana
Egypt (1)
Cairo
El Salvador (1)
San Salvador
Ethiopia (1)
Addis Ababa
France (1)
Paris
Germany (1)
Frankfurt
Ghana (1)
Accra
Guatemala (1)
Guatemala City
Iceland (1)
Reykjavik
Italy (1)
Rome
Morocco (1)
Casablanca
Netherlands (1)
Amsterdam
Nigeria (1)
Lagos
Portugal (1)
Lisbon
Puerto Rico (1)
San Juan
Qatar (1)
Doha
Sint Maarten (1)
Sint Maarten
South Africa (1)
Cape Town
South Korea (1)
Seoul
Switzerland (1)
Zurich
Turkiye (1)
Istanbul
Turks and Caicos Islands (1)
Providenciales
U.S. Virgin Islands (1)
Saint Thomas
United Kingdom (1)
London

Check schedules with the airline or Washington Dulles International Airport before you book.

Airlines on routes from IAD

Route records · 21 May 2026

Source: Originfacts route records, last updated 21 May 2026. Not verified by hand.

The airlines listed on the route Originfacts tracks from IAD. Only 1 route from IAD is in Originfacts’ route records so far — a small sample, not Washington Dulles International Airport’s full network. This is not a complete list of airlines at Washington Dulles International Airport.

Routes from IAD

Route records · 21 May 2026

Source: Originfacts route records, last updated 21 May 2026. Not verified by hand.

The route Originfacts tracks from IAD so far, listed with the distance and estimated flight time in each route record. Only 1 route from IAD is in Originfacts’ route records so far — a small sample, not Washington Dulles International Airport’s full network. Check live schedules with the airline.

Full list of destinations: flydulles.com/iad/dulles-international-airport (opens in a new tab) (the airport’s official site)

Airlines with a hub at IAD

Wikidata · 5 Oct 2026

Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026): airlines whose “airline hub” property names IAD, with no end date and not recorded as dissolved. Community-edited; hubs change.

Terminals, transport and parking at IAD

Not yet verified

Terminal assignments, ground transport into Washington, parking, lounges and accessibility services have not been verified against Washington Dulles International Airport’s own pages yet, so none are listed here.

Check directly:flydulles.com/iad/dulles-international-airport (opens in a new tab)Map of the airport location (opens in a new tab)

Before you travel

  • Confirm your terminal with the operating airline.
  • Check the check-in and bag-drop cut-off times on your booking.
  • Allow extra time if you need to change terminals or check bags in again.
  • Check your flight status before you leave for the airport.

Climate at IAD, month by month

NASA POWER · 2016–2025

Source: NASA POWER (opens in a new tab) daily values for 2016–2025 at 38.95°, -77.45° (MERRA-2 reanalysis grid, about 50 km cells), averaged by Originfacts. Modelled, not airport weather-station readings.

Warmest: July (average high 33°C). Coolest: January (5°C high, -4°C low). Wettest: May (127 mm); driest: November (63 mm).

Average daily high and low temperature and average monthly precipitation at IAD, 2016–2025
MonthHighLowRain
Jan5°C-4°C73 mm
Feb8°C-2°C73 mm
Mar13°C1°C66 mm
Apr19°C6°C75 mm
May23°C12°C127 mm
Jun29°C17°C94 mm
Jul33°C21°C117 mm
Aug31°C20°C103 mm
Sep28°C16°C99 mm
Oct22°C9°C67 mm
Nov14°C2°C63 mm
Dec7°C-2°C78 mm

Airports near Washington

Calculated

Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.

Washington Dulles International Airport: common questions

Where is Washington Dulles International Airport?

Washington Dulles International Airport serves Washington, United States. Its coordinates in OurAirports are 38.944°, -77.456°.

What are the airport codes for Washington Dulles International Airport?

The IATA code is IAD and the ICAO code is KIAD.

What time zone is IAD in?

Washington Dulles International Airport is in the America/New_York time zone.

What is the official website of Washington Dulles International Airport?

The airport’s official website is flydulles.com/iad/dulles-international-airport. For questions about a booking, contact the operating airline.

Which airlines are listed on routes from IAD?

Originfacts’ route records (last updated 21 May 2026) list American Airlines and United Airlines on routes from IAD. This is not a complete list of airlines at Washington Dulles International Airport; check current schedules with the airline.

Where can you fly from IAD?

Originfacts’ route records (last updated 21 May 2026) include only one route from IAD so far, to London. That is a small sample, not Washington Dulles International Airport’s full network. For the full list of destinations, check the airport’s official website (flydulles.com/iad/dulles-international-airport) or the airlines.

How many runways does Washington Dulles International Airport have?

OurAirports lists 4 open runways at IAD: 01C/19C (3,505 m (11,500 ft), concrete); 01R/19L (3,505 m (11,500 ft), concrete); 12/30 (3,201 m (10,501 ft), concrete); 01L/19R (2,865 m (9,400 ft), concrete).

Where can you fly nonstop from IAD?

Travelpayouts fare data retrieved 5 Oct 2026 showed nonstop fares from IAD to 77 destinations in 36 countries, the most in United States (36), Canada (2) and Colombia (2). That reflects fares travellers found, not a complete or live schedule.

When did Washington Dulles International Airport open?

Wikidata gives 1962 as its official opening date.

How many passengers use Washington Dulles International Airport?

Wikidata records 27.3 million passengers for 2024, the latest year it holds.

Who operates Washington Dulles International Airport?

Per Wikidata, IAD is operated by Metropolitan Washington Airports Authority, which also owns it.

Which airlines have a hub at IAD?

Wikidata lists IAD as a hub of Air Wisconsin, CommuteAir, ExpressJet, Mesa Airlines and United Airlines.

Sources

Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Washington Dulles International Airport’s own pages.

Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)