Dulles (IAD) to Pittsburgh (PIT)
Flight time
≈ 1h 10m
Bearing
307° NW
Dulles (IAD) to Pittsburgh (PIT) is 182 miles (293 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–PIT
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 5 carriers flying nonstop IAD–PIT; the Embraer E175 was the most common aircraft at 48% of departures; flights ran 73% full.
Departures
246
April 2026
Seats
24,799
both directions
Passengers
18,038
both directions
Load factor
72.7%
passengers ÷ seats
Who flies IAD–PIT?
United Airlines operated the most nonstop IAD–PIT departures in April 2026 (110), one of 5 carriers on the route.
- UA
United Airlines
110 departures · 14,816 seats
Share of departures44.7%67.7%
Load
- YX
Republic Airways
82 departures · 6,232 seats
Share of departures33.3%82.0%
Load
- YV
Mesa Airlines
36 departures · 2,592 seats
Share of departures14.6%81.7%
Load
- G7
GoJet Airlines
12 departures · 600 seats
Share of departures4.9%90.8%
Load
- DL
Delta Air Lines
6 departures · 559 seats
Share of departures2.4%43.3%
Load
What plane flies IAD–PIT?
In April 2026, the Embraer E175 flew 48% of IAD–PIT departures — more than any other aircraft type.
- Embraer E175
118 departures · 81.9% load
48.0% - Boeing 737-700
58 departures · 79.8% load
23.6% - Airbus A319
30 departures · 62.2% load
12.2% - Bombardier CRJ-550
12 departures · 90.8% load
4.9% - Airbus A320
6 departures · 51.3% load
2.4% - Boeing 757-200
6 departures · 43.3% load
2.4% - Boeing 737 MAX 8
6 departures · 49.3% load
2.4% - Boeing 737 MAX 9
6 departures · 44.0% load
2.4% - Airbus A321neo
2 departures · 56.5% load
0.8% - Boeing 737-900ER
2 departures · 53.3% load
0.8%
How has IAD–PIT traffic changed?
Nonstop IAD–PIT departures fell from 312 in May 2025 to 246 in April 2026.
Monthly nonstop IAD–PIT traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
312 departures · 20,201 passengers
82.3%
Load
June 2025
286 departures · 17,433 passengers
84.8%
Load
July 2025
305 departures · 18,535 passengers
74.2%
Load
August 2025
248 departures · 15,682 passengers
73.7%
Load
September 2025
243 departures · 17,797 passengers
72.3%
Load
October 2025
250 departures · 18,468 passengers
74.6%
Load
November 2025
238 departures · 16,700 passengers
67.4%
Load
December 2025
250 departures · 17,270 passengers
75.3%
Load
January 2026
238 departures · 14,583 passengers
59.2%
Load
February 2026
225 departures · 15,745 passengers
64.5%
Load
March 2026
255 departures · 19,371 passengers
75.3%
Load
April 2026
246 departures · 18,038 passengers
72.7%
Load
By direction
The DOT files each direction separately — they rarely match.
PIT → IAD
74.0% full
124 departures · 9,275 passengers
IAD → PIT
71.5% full
122 departures · 8,763 passengers
Nonstop IAD–PIT traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Dulles (IAD) from Pittsburgh (PIT)?
IAD to PIT is 182 miles (293 km / 158 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to PIT?
A nonstop covers the 182-mile great-circle distance in roughly 1h 10m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–PIT?
In April 2026, the Embraer E175 flew the largest share of departures (48.0%), followed by the Boeing 737-700 (23.6%).
What mileage do I earn flying IAD–PIT?
Distance-based programs credit off the 182-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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