Dulles (IAD) to Ottawa (YOW)
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.
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What actually flies IAD–YOW
US DOT T-100 · filed dataIn April 2026, GoJet Airlines operated the most departures, one of 4 carriers flying nonstop IAD–YOW; the Bombardier CRJ-550 was the most common aircraft at 51% of departures; flights ran 71% full.
Departures
243
April 2026
Seats
15,222
both directions
Passengers
10,784
both directions
Load factor
70.8%
passengers ÷ seats
Who flies IAD–YOW?
GoJet Airlines operated the most nonstop IAD–YOW departures in April 2026 (124), one of 4 carriers on the route.
- G7
GoJet Airlines
124 departures · 6,200 seats
Share of departures51.0%77.1%
Load
- YX
Republic Airways
115 departures · 8,740 seats
Share of departures47.3%67.0%
Load
- AC
Air Canada
3 departures · 210 seats
Share of departures1.2%73.3%
Load
- DL
Delta Air Lines
1 departures · 72 seats
Share of departures0.4%0.0%
Load
What plane flies IAD–YOW?
In April 2026, the Bombardier CRJ-550 flew 51% of IAD–YOW departures — more than any other aircraft type.
- Bombardier CRJ-550
124 departures · 77.1% load
51.0% - Embraer E175
115 departures · 67.0% load
47.3% - Airbus A320
3 departures · 73.3% load
1.2% - Boeing 757-200
1 departures · 0.0% load
0.4%
How has IAD–YOW traffic changed?
Nonstop IAD–YOW departures rose from 185 in May 2025 to 243 in April 2026.
Monthly nonstop IAD–YOW traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
185 departures · 7,750 passengers
83.5%
Load
June 2025
179 departures · 7,411 passengers
83.1%
Load
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
By direction
The DOT files each direction separately — they rarely match.
YOW → IAD
68.9% full
123 departures · 5,876 passengers
IAD → YOW
73.3% full
120 departures · 4,908 passengers
Nonstop IAD–YOW traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
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 April 2026, the Bombardier CRJ-550 flew the largest share of departures (51.0%), followed by the Embraer E175 (47.3%).
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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