Airport

Washington Dulles International Airport

IAD · Dulles, VA

By Andrew Nov 4, 2026

IATA Code: IAD
ICAO Code: KIAD
City: Dulles
Country: United States
Website: www.mwaa.com

Washington Dulles International Airport is a major airport serving Dulles, VA. Its IATA code is IAD and its ICAO code is KIAD.

The airfield sits 312 feet above sea level.

Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through IAD recently? Share your experience to help other travelers.

IAD by the numbers

IATA IAD · ICAO KIAD · 312 ft elevation · Map

Loading live weather, forecasts, delays and nearby aircraft…

Official departure punctuality

Ranks #92 of 358 U.S. airports for on-time departures

On-time departures: 83.4%; Less than 15 minutes late
Cancelled: 1.4%; Of scheduled flights
Average delay when late: 85 min; Flights arriving 15+ minutes late
Flights tracked: 57,762; Scheduled flights in the period

What caused the delays

Late-arriving aircraft 33%
Airline (crew, maintenance, cleaning) 31%
Air traffic control & airport 29%
Extreme weather 8%
Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data

Busiest routes from IAD

Route	Flights	On time
Atlanta (ATL)	4,003	78%
Denver (DEN)	3,387	83%
San Francisco (SFO)	2,688	78%
Los Angeles (LAX)	2,460	84%
Orlando (MCO)	2,180	81%
Chicago (ORD)	2,106	75%
Charlotte (CLT)	1,990	83%
Dallas-Fort Worth (DFW)	1,961	77%
Houston (IAH)	1,862	85%
Seattle (SEA)	1,821	78%

All routes from IAD →

Airlines departing IAD

Airline	Flights	On-time departures
United Airlines	36,915	85%
Republic Airways	8,421	84%
Delta Air Lines	3,159	82%
SkyWest Airlines	2,514	80%
Frontier Airlines	1,682	73%
American Airlines	1,505	77%
Alaska Airlines	1,196	81%
OH	967	82%
Southwest Airlines	872	72%
Allegiant Air	531	75%

Terminals, parking & amenities

Terminals (11)

Atlantic Aviation IAD
Cargo Building 6
Concourse A
Concourse A & B
Concourses C & D
FEDEX
International Arrivals Building
Signature Flight Support IAD
Washington-Dulles International Airport, Main Terminal
Z Gates

Parking (87)

Blue Economy Parking Lot
Cell Phone Lot
Economy Parking - Blue Lot · 12.00 USD/day
Economy Parking - Gold Lot · 12.00 USD/day
Economy Parking - Green Lot · 12.00 USD/day
Economy Parking - Purple Lot · 12.00 USD/day
Employee Parking
Employee Parking
Employee Parking - East Reserved Lot
Garage 1 · 6.00 USD/hour;17.00 USD/day
Garage 2 · 6.00 USD/hour;17.00 USD/day
Terminal Parking · 6.00 USD/hour;25.00 USD/day

Food & drink (57)

&pizza
&pizza
Air France Lounge
Auntie Anne's
Auntie Anne's
Bagels & More
Be Right Burger
Ben's Chili Bowl
Bracket Room
British Airways Lounge
Cafe Americana
Capitol Grounds Coffee

Shops (47)

7-Eleven
Cacao Chaser
Capital Supply Co.
Chanel
Coach
DC Marketplace
Dior
Duty Free Americas
Duty Free Americas
Duty Free Americas
Duty Free Americas
Flag World

Car rental (9)

Alamo
Avis
Budget
Dollar Car Rental
Enterprise
Hertz
National
SIXT
Thrifty

Gates (130)

A1A, A1A-D, A1B, A1C, A1D, A1G, A1G, A2A, A2A-F, A2B, A2E, A2F, A2G, A2G, A3A, A3A-C, A3B, A3C, A4A, A4A-F, A4B, A4C, A4E, A4F, A5A, A5A-D, A5B, A5C, A5D, A6A, A6A-E, A6B, A6C, A6E, A14, A15, A16, A19, A20, A22

Runways

Runway	Length	Surface
01C/19C	11,500 ft	CONC-G, lighted
01R/19L	11,500 ft	CON, lighted
12/30	10,501 ft	CON, lighted
01L/19R	9,400 ft	CON, lighted

Listen to the tower

Air traffic control frequencies, for scanners and airband radios.

Recorded airport information (ATIS) 134.850 MHz
Tower 120.100 MHz
Ground 121.900 MHz
Clearance delivery 135.700 MHz
Departure 125.050 MHz
Approach 120.450 MHz

Runways and frequencies: OurAirports (public domain). Not for navigation.

Tags: IAD, KIAD, Dulles airport, Washington Dulles International Airport

Reviews

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