Dulles (IAD) to Ottawa (YOW)

450mi
724 km391 nm

Flight time

≈ 1h 42m

Bearing

11° N

Dulles (IAD) to Ottawa (YOW) is 450 miles (724 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.

Route map: IAD → YOWIADYOW

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What actually flies IADYOW

Filed traffic data

In June 2026, GoJet Airlines operated the most departures, one of 2 carriers flying nonstop IAD–YOW; the Bombardier CRJ-550 was the most common aircraft at 64% of departures; flights ran 78% full.

Departures

235

June 2026

Seats

13,960

both directions

Passengers

10,951

both directions

Load factor

78.5%

RPM ÷ ASM

Who flies IAD–YOW?

GoJet Airlines operated the most nonstop IAD–YOW departures in June 2026 (150), one of 2 carriers on the route.

  • G7

    GoJet Airlines

    150 departures · 7,500 seats

    86.0%

    Load

  • YX

    Republic Airways

    85 departures · 6,460 seats

    69.6%

    Load

What plane flies IAD–YOW?

In June 2026, the Bombardier CRJ-550 flew 64% of IAD–YOW departures — more than any other aircraft type.

  • Bombardier CRJ-550

    150 departures · 86.0% load

    63.8%
  • Embraer E175

    85 departures · 69.6% load

    36.2%

How has IAD–YOW traffic changed?

Nonstop IAD–YOW departures rose from 177 in July 2025 to 235 in June 2026.

Monthly nonstop IADYOW traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.

  • July 2025

    177 departures · 7,250 passengers

    81.9%

    Load

  • August 2025

    185 departures · 8,133 passengers

    87.9%

    Load

  • September 2025

    181 departures · 7,218 passengers

    79.5%

    Load

  • October 2025

    189 departures · 8,367 passengers

    84.9%

    Load

  • November 2025

    174 departures · 8,885 passengers

    80.5%

    Load

  • December 2025

    185 departures · 9,092 passengers

    83.6%

    Load

  • January 2026

    174 departures · 8,416 passengers

    82.1%

    Load

  • February 2026

    164 departures · 8,149 passengers

    84.9%

    Load

  • March 2026

    184 departures · 8,633 passengers

    78.6%

    Load

  • April 2026

    243 departures · 10,784 passengers

    70.8%

    Load

  • May 2026

    247 departures · 11,706 passengers

    76.7%

    Load

  • June 2026

    235 departures · 10,951 passengers

    78.5%

    Load

By direction

Each direction is filed separately — they rarely match.

YOWIAD

73.5% full

118 departures · 4,873 passengers

IADYOW

82.9% full

117 departures · 6,078 passengers

Nonstop IAD–YOW 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

IAD

US

Washington Dulles International Airport

Coordinates

38.94°N, 77.46°W

Hemisphere

N · W

YOW

Ottawa

CA

Ottawa Macdonald-Cartier International Airport

Coordinates

45.32°N, 75.67°W

Hemisphere

N · W

Frequently asked

How far is Dulles (IAD) from Ottawa (YOW)?

IAD to YOW is 450 miles (724 km / 391 nautical miles) measured great-circle — the shortest path over the surface of the Earth.

How long is the flight from IAD to YOW?

A nonstop covers the 450-mile great-circle distance in roughly 1h 42m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.

What plane flies IAD–YOW?

In June 2026, the Bombardier CRJ-550 flew the largest share of departures (63.8%), followed by the Embraer E175 (36.2%).

What mileage do I earn flying IAD–YOW?

Distance-based programs credit off the 450-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.

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