Dulles (IAD) to Portland (PWM)
Flight time
≈ 1h 47m
Bearing
46° NE
Dulles (IAD) to Portland (PWM) is 493 miles (793 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–PWM
Filed traffic dataIn June 2026, Republic Airways operated the most departures, one of 4 carriers flying nonstop IAD–PWM; the Embraer E175 was the most common aircraft at 69% of departures; flights ran 69% full.
Departures
229
June 2026
Seats
22,735
both directions
Passengers
15,654
both directions
Load factor
68.8%
RPM ÷ ASM
Who flies IAD–PWM?
Republic Airways operated the most nonstop IAD–PWM departures in June 2026 (159), one of 4 carriers on the route.
- YX
159 departures · 12,084 seats
Share of departures69.4%87.3%
Load
- UA
60 departures · 10,064 seats
Share of departures26.2%45.9%
Load
- G7
9 departures · 450 seats
Share of departures3.9%84.7%
Load
- MX
1 departures · 137 seats
Share of departures0.4%74.5%
Load
What plane flies IAD–PWM?
In June 2026, the Embraer E175 flew 69% of IAD–PWM departures — more than any other aircraft type.
- Embraer E175
159 departures · 87.3% load
69.4% - Boeing 737 MAX 8
50 departures · 45.4% load
21.8% - Bombardier CRJ-550
9 departures · 84.7% load
3.9% - Boeing 737 MAX 9
6 departures · 47.7% load
2.6% - Boeing 737-900ER
2 departures · 59.2% load
0.9% - Boeing 737-800
2 departures · 39.2% load
0.9% - Airbus A220-300
1 departures · 74.5% load
0.4%
How has IAD–PWM traffic changed?
Nonstop IAD–PWM departures rose from 222 in July 2025 to 229 in June 2026.
Monthly nonstop IAD–PWM traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
July 2025
222 departures · 15,282 passengers
90.1%
Load
August 2025
220 departures · 15,220 passengers
90.6%
Load
September 2025
188 departures · 12,425 passengers
87.5%
Load
October 2025
229 departures · 13,962 passengers
84.7%
Load
November 2025
213 departures · 9,839 passengers
77.1%
Load
December 2025
177 departures · 8,350 passengers
85.8%
Load
January 2026
135 departures · 6,411 passengers
84.6%
Load
February 2026
110 departures · 5,811 passengers
89.5%
Load
March 2026
129 departures · 5,791 passengers
88.4%
Load
April 2026
179 departures · 7,425 passengers
81.3%
Load
May 2026
235 departures · 14,429 passengers
72.4%
Load
June 2026
229 departures · 15,654 passengers
68.8%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → PWM
74.0% full
115 departures · 8,335 passengers
PWM → IAD
63.8% full
114 departures · 7,319 passengers
Nonstop IAD–PWM 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 Portland (PWM)?
IAD to PWM is 493 miles (793 km / 428 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to PWM?
A nonstop covers the 493-mile great-circle distance in roughly 1h 47m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–PWM?
In June 2026, the Embraer E175 flew the largest share of departures (69.4%), followed by the Boeing 737 MAX 8 (21.8%).
What mileage do I earn flying IAD–PWM?
Distance-based programs credit off the 493-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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