Dulles (IAD) to Portland (PDX)

2,322mi
3,736 km2,017 nm

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.

Route map: IAD → PDXIADPDX

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What actually flies IADPDX

Filed traffic data

In 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

    United Airlines

    62 departures · 11,098 seats

    78.6%

    Load

  • DL

    Delta Air Lines

    1 departures · 72 seats

    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.

How has IAD–PDX traffic changed?

Nonstop IAD–PDX departures rose from 61 in June 2025 to 63 in May 2026.

Monthly nonstop IADPDX 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.

IADPDX

78.3% full

32 departures · 4,401 passengers

PDXIAD

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

IAD

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

PDX

US

Portland International Airport

Coordinates

45.59°N, 122.60°W

Hemisphere

N · W

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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