Dulles (IAD) to Portland (PDX)
Flight time
≈ 5h 27m
Bearing
296° NW
Dulles (IAD) to Portland (PDX) is 2,322 miles (3,736 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies IAD–PDX
Filed traffic dataIn May 2026, United Airlines operated the most departures, one of 2 carriers flying nonstop IAD–PDX; the Boeing 737 MAX 9 was the most common aircraft at 62% of departures; flights ran 78% full.
Departures
63
May 2026
Seats
11,170
both directions
Passengers
8,767
both directions
Load factor
78.5%
RPM ÷ ASM
Who flies IAD–PDX?
United Airlines operated the most nonstop IAD–PDX departures in May 2026 (62), one of 2 carriers on the route.
- UA
62 departures · 11,098 seats
Share of departures98.4%78.6%
Load
- DL
1 departures · 72 seats
Share of departures1.6%56.9%
Load
What plane flies IAD–PDX?
In May 2026, the Boeing 737 MAX 9 flew 62% of IAD–PDX departures — more than any other aircraft type.
- Boeing 737 MAX 9
39 departures · 85.1% load
61.9% - Boeing 737-900ER
23 departures · 67.6% load
36.5% - Boeing 757-200
1 departures · 56.9% load
1.6%
How has IAD–PDX traffic changed?
Nonstop IAD–PDX departures rose from 61 in June 2025 to 63 in May 2026.
Monthly nonstop IAD–PDX traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
61 departures · 9,400 passengers
92.1%
Load
July 2025
61 departures · 8,753 passengers
86.3%
Load
August 2025
62 departures · 9,451 passengers
91.7%
Load
September 2025
60 departures · 9,195 passengers
90.5%
Load
October 2025
62 departures · 9,379 passengers
89.1%
Load
November 2025
62 departures · 9,321 passengers
84.2%
Load
December 2025
30 departures · 4,725 passengers
92.7%
Load
January 2026
10 departures · 1,392 passengers
84.7%
Load
February 2026
0 departures · 0 passengers
—
Load
March 2026
54 departures · 7,062 passengers
73.7%
Load
April 2026
60 departures · 9,108 passengers
84.8%
Load
May 2026
63 departures · 8,767 passengers
78.5%
Load
By direction
Each direction is filed separately — they rarely match.
IAD → PDX
78.3% full
32 departures · 4,401 passengers
PDX → IAD
78.7% full
31 departures · 4,366 passengers
Nonstop IAD–PDX traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Dulles (IAD) from Portland (PDX)?
IAD to PDX is 2,322 miles (3,736 km / 2,017 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from IAD to PDX?
A nonstop covers the 2,322-mile great-circle distance in roughly 5h 27m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies IAD–PDX?
In May 2026, the Boeing 737 MAX 9 flew the largest share of departures (61.9%), followed by the Boeing 737-900ER (36.5%).
What mileage do I earn flying IAD–PDX?
Distance-based programs credit off the 2,322-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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