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
Filed traffic dataIn July 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 65% of departures; flights ran 77% full.
Departures
225
July 2026
Seats
13,304
both directions
Passengers
10,183
both directions
Load factor
76.5%
seat-miles filled
Who flies IAD–YOW?
GoJet Airlines operated the most nonstop IAD–YOW departures in July 2026 (146), one of 2 carriers on the route.
- G7
146 departures · 7,300 seats
Share of departures64.9%84.8%
Load
- YX
79 departures · 6,004 seats
Share of departures35.1%66.5%
Load
What plane flies IAD–YOW?
In July 2026, the Bombardier CRJ-550 flew 65% of IAD–YOW departures — more than any other aircraft type.
- Bombardier CRJ-550
146 departures · 84.8% load
64.9% - Embraer E175
79 departures · 66.5% load
35.1%
How has IAD–YOW traffic changed?
Nonstop IAD–YOW departures rose from 185 in August 2025 to 225 in July 2026.
Monthly nonstop IAD–YOW traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
July 2026
225 departures · 10,183 passengers
76.5%
Load
By direction
Each direction is filed separately — they rarely match.
YOW → IAD
75.3% full
114 departures · 4,804 passengers
IAD → YOW
77.6% full
111 departures · 5,379 passengers
Nonstop IAD–YOW traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work). Load factor is RPM ÷ ASM (revenue passenger-miles ÷ available seat-miles).
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 July 2026, the Bombardier CRJ-550 flew the largest share of departures (64.9%), followed by the Embraer E175 (35.1%).
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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