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
Filed traffic dataIn June 2026, Republic Airways operated the most departures, one of 6 carriers flying nonstop IAD–PIT; the Embraer E175 was the most common aircraft at 77% of departures; flights ran 78% full.
Departures
242
June 2026
Seats
21,823
both directions
Passengers
17,060
both directions
Load factor
78.2%
RPM ÷ ASM
Who flies IAD–PIT?
Republic Airways operated the most nonstop IAD–PIT departures in June 2026 (119), one of 6 carriers on the route.
- YX
119 departures · 9,044 seats
Share of departures49.2%81.7%
Load
- YV
68 departures · 4,880 seats
Share of departures28.1%83.1%
Load
- UA
52 departures · 7,640 seats
Share of departures21.5%72.2%
Load
- DL
1 departures · 72 seats
Share of departures0.4%0.0%
Load
- MX
1 departures · 137 seats
Share of departures0.4%71.5%
Load
- OO
1 departures · 50 seats
Share of departures0.4%0.0%
Load
What plane flies IAD–PIT?
In June 2026, the Embraer E175 flew 77% of IAD–PIT departures — more than any other aircraft type.
- Embraer E175
187 departures · 82.2% load
77.3% - Boeing 737-700
30 departures · 78.8% load
12.4% - Boeing 737-900ER
14 departures · 61.4% load
5.8% - Boeing 737-800
6 departures · 74.3% load
2.5% - Boeing 737 MAX 9
2 departures · 73.5% load
0.8% - Boeing 757-200
1 departures · 0.0% load
0.4% - Bombardier CRJ-200
1 departures · 0.0% load
0.4% - Airbus A220-300
1 departures · 71.5% load
0.4%
How has IAD–PIT traffic changed?
Nonstop IAD–PIT departures fell from 305 in July 2025 to 242 in June 2026.
Monthly nonstop IAD–PIT traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
May 2026
244 departures · 16,478 passengers
78.2%
Load
June 2026
242 departures · 17,060 passengers
78.2%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → PIT
77.7% full
123 departures · 8,608 passengers
PIT → IAD
78.7% full
119 departures · 8,452 passengers
Nonstop IAD–PIT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through June 2026; filings from 2025. Public domain (US Government work).
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 June 2026, the Embraer E175 flew the largest share of departures (77.3%), followed by the Boeing 737-700 (12.4%).
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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