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 dataWhat 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.
3,944 departures · 446,525 passengers
76.4%
Load
3,586 departures · 600,788 passengers
84.8%
Load
2,831 departures · 477,679 passengers
84.0%
Load
2,737 departures · 173,880 passengers
77.9%
Load
2,426 departures · 410,983 passengers
85.8%
Load
2,239 departures · 331,664 passengers
82.2%
Load
2,210 departures · 125,980 passengers
77.4%
Load
2,203 departures · 332,786 passengers
83.8%
Load
2,030 departures · 288,108 passengers
80.6%
Load
1,945 departures · 421,416 passengers
78.3%
Load
1,936 departures · 203,887 passengers
71.4%
Load
1,908 departures · 272,195 passengers
85.4%
Load
1,903 departures · 264,468 passengers
84.0%
Load
1,895 departures · 255,187 passengers
84.0%
Load
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.
- UA
8,690,663 seats · 81.5% load
50.5%
Share
- C5
880,675 seats · 85.0% load
5.1%
Share
- YX
862,383 seats · 83.7% load
5.0%
Share
- YV
635,706 seats · 81.0% load
3.7%
Share
- DL
441,351 seats · 77.4% load
2.6%
Share
- G7
359,000 seats · 82.2% load
2.1%
Share
- F9
325,528 seats · 74.6% load
1.9%
Share
- LH
Lufthansa
286,149 seats · 81.9% load
1.7%
Share
- AS
269,497 seats · 81.5% load
1.6%
Share
- BA
British Airways
261,097 seats · 76.9% load
1.5%
Share
Aircraft flown from Dulles
Aircraft types by share of departures — what actually operated, not what's based here.
19,638 departures · 82.1% load
15.4%
Share
17,736 departures · 84.9% load
13.9%
Share
11,671 departures · 81.3% load
9.2%
Share
10,630 departures · 81.5% load
8.3%
Share
Bombardier CRJ-550
7,200 departures · 82.0% load
5.7%
Share
6,081 departures · 78.0% load
4.8%
Share
5,774 departures · 80.0% load
4.5%
Share
4,079 departures · 79.2% load
3.2%
Share
3,918 departures · 78.5% load
3.1%
Share
3,266 departures · 79.9% load
2.6%
Share
3,150 departures · 79.5% load
2.5%
Share
3,004 departures · 79.6% load
2.4%
Share
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.