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Airports · Washington Dulles International Airport

Flights from Dulles (IAD)

Airlines flew 127,252 departures out of Washington Dulles International Airport (IAD) carrying 13,881,740 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.

What flies from Dulles

US DOT T-100 · filed data

What airlines actually flew out of Dulles — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.

Departures

127,252

April 2026

Seats flown

17,223,583

Passengers

13,881,740

Load factor

80.6%

passengers ÷ seats

Busiest routes from Dulles

Where flights from Dulles go most, by departures over the trailing 12 months.

  • IADATL

    3,944 departures · 446,525 passengers

    76.4%

    Load

  • IADDEN

    3,586 departures · 600,788 passengers

    84.8%

    Load

  • IADSFO

    2,831 departures · 477,679 passengers

    84.0%

    Load

  • IADCLT

    2,737 departures · 173,880 passengers

    77.9%

    Load

  • IADLAX

    2,426 departures · 410,983 passengers

    85.8%

    Load

  • IADSAL

    2,239 departures · 331,664 passengers

    82.2%

    Load

  • IADDTW

    2,210 departures · 125,980 passengers

    77.4%

    Load

  • IADMCO

    2,203 departures · 332,786 passengers

    83.8%

    Load

  • IADORD

    2,030 departures · 288,108 passengers

    80.6%

    Load

  • IADLHR

    1,945 departures · 421,416 passengers

    78.3%

    Load

  • IADEWR

    1,936 departures · 203,887 passengers

    71.4%

    Load

  • IADSEA

    1,908 departures · 272,195 passengers

    85.4%

    Load

  • IADIAH

    1,903 departures · 264,468 passengers

    84.0%

    Load

  • IADDFW

    1,895 departures · 255,187 passengers

    84.0%

    Load

  • IADYYZ

    1,868 departures · 123,716 passengers

    87.4%

    Load

Airlines at Dulles

Ranked by seats flown — the capacity each carrier actually operated out of Dulles.

Aircraft flown from Dulles

Aircraft types by share of departures — what actually operated, not what's based here.

Monthly departures from Dulles

Monthly departures from Dulles, trailing 12 months through April 2026. Bars scale to the busiest month.

  • May 2025

    12,095 departures · 1,351,030 passengers

    82.3%

    Load

  • June 2025

    11,990 departures · 1,423,867 passengers

    87.0%

    Load

  • July 2025

    11,743 departures · 1,367,363 passengers

    84.7%

    Load

  • August 2025

    11,595 departures · 1,278,382 passengers

    80.4%

    Load

  • September 2025

    10,235 departures · 1,114,701 passengers

    77.3%

    Load

  • October 2025

    10,704 departures · 1,157,337 passengers

    80.0%

    Load

  • November 2025

    9,991 departures · 1,051,585 passengers

    78.2%

    Load

  • December 2025

    10,491 departures · 1,192,117 passengers

    84.2%

    Load

  • January 2026

    9,026 departures · 900,308 passengers

    74.9%

    Load

  • February 2026

    8,398 departures · 845,280 passengers

    75.3%

    Load

  • March 2026

    10,226 departures · 1,097,626 passengers

    82.3%

    Load

  • April 2026

    10,758 departures · 1,102,144 passengers

    76.9%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.