Washington Dulles International Airport
Daylight today(Aug 30, 2026, local time)
About 13h 7m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About Washington Dulles International Airport
Washington Dulles International Airport is the main international airport serving Washington, D.C., the capital of the United States. It is located 26 miles (42 km) west of downtown Washington, D.C., in Loudoun and Fairfax counties in Northern Virginia.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
KIADNOTAMs
KIADReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (4)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 01C / 19C | 11,500 ft / 3,505 m | 150 ft | Conc-g | Lighted | Open |
| 01R / 19L | 11,500 ft / 3,505 m | 150 ft | Con | Lighted | Open |
| 12 / 30 | 10,501 ft / 3,201 m | 150 ft | Con | Lighted | Open |
| 01L / 19R | 9,400 ft / 2,865 m | 150 ft | Con | Lighted | Open |
Radio frequencies (9)
| Type | Description | Frequency |
|---|---|---|
| APP | POTOMAC APP | 120.450 MHz |
| ATIS | ATIS | 134.850 MHz |
| CLD | CLNC DEL | 135.700 MHz |
| DEP | POTOMAC DEP | 125.050 MHz |
| GND | GND | 121.900 MHz |
| RCO | ARMEL RCO | 113.500 MHz |
| RMP | RAMP CON | 129.550 MHz |
| TWR | TWR | 120.100 MHz |
| UNIC | UNICOM | 122.950 MHz |
Services & operations
Dulles International Airport has recently launched new nonstop services and upgraded its facilities.
From the airport’s official website — details may change, so confirm with the airport. Official site
Navaids(2)
Airlines & destinations
Route data from OpenFlights — historical and may be out of date. Check current schedules.
Instrument procedures & charts
Airport diagram (1)
Instrument approaches (4)
Departure procedures (SIDs) (4)
Arrivals (STARs) (4)
Takeoff & alternate minimums (2)
Showing 15 of 59 FAA procedures on this overview. Always fly the current, official chart. Full charts page.
Airspace in this area(4)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| WASHINGTON-TRI AREA CLASS B AREA A | Class B | Controlled | GND | 10000 ft MSL |
| WASHINGTON-TRI AREA CLASS B AREA B | Class B | Controlled | 1500 ft MSL | 10000 ft MSL |
| WASHINGTON-TRI AREA CLASS B AREA C | Class B | Controlled | 2500 ft MSL | 10000 ft MSL |
| WASHINGTON DC SFRA ADIZ | Special use | Restricted | GND | 17999 ft MSL |
Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: S (from about 180°), on 16% of observations, averaging 6 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 84% | -1,368 ft | |
| Feb | 78% | -1,170 ft | |
| Mar | 82% | -563 ft | |
| Apr | 85% | 134 ft | |
| May | 78% | 686 ft | |
| Jun | 87% | 1,306 ft | |
| Jul | 90% | 1,547 ft | |
| Aug | 87% | 1,375 ft | |
| Sep | 77% | 963 ft | |
| Oct | 81% | 295 ft | |
| Nov | 90% | -613 ft | |
| Dec | 79% | -1,092 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-1,368–1,547 ft through the year· Source: NWS/IEM ASOS archive.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | 361 ft | 427 ft | — |
| The Ascent | 328 ft | 440 ft | — |
| Obstacle | 295 ft | 322 ft | — |
| American Towers, LLC Cell Site | 272 ft | 335 ft | — |
| Pinnacle Towers LLC Cell Site | 233 ft | 1,214 ft | — |
| Obstacle | — | 453 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from Washington Dulles International Airport.
Frequently asked questions
What is the ICAO code for Washington Dulles International Airport?
The ICAO code for Washington Dulles International Airport is KIAD, and its IATA code is IAD.
Where is Washington Dulles International Airport located?
Washington Dulles International Airport is large airport located in Dulles, United States, at an elevation of 312 ft (95 m).
How many runways does Washington Dulles International Airport have?
Washington Dulles International Airport has 4 runways, the longest being 11,500 ft / 3,505 m.
Which airlines fly to Washington Dulles International Airport?
Airlines historically serving Washington Dulles International Airport include Aer Lingus, AeroMéxico, Aeroflot Russian Airlines, Air Canada, Air China, Air France, among 39 carriers (based on OpenFlights route data, which may be out of date).
How many destinations are served from Washington Dulles International Airport?
Historical data lists 126 nonstop destinations from Washington Dulles International Airport. Always check current schedules.
What time zone is Washington Dulles International Airport in?
Washington Dulles International Airport is in the America/New York time zone (UTC-04:00).
What is the magnetic variation at Washington Dulles International Airport?
The magnetic variation (declination) at Washington Dulles International Airport is approximately 10.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Washington Dulles International Airport?
The nearest airport to Washington Dulles International Airport is Leesburg Executive Airport (KJYO), about 9.3 nm to the nnw, followed by Goose Hunt Farm Airport and Hickory Tree Farms Airport.
Is the information on this page suitable for flight planning?
No. Washington Dulles International Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.