Boston (BOS) to Ottawa (YOW)
Flight time
≈ 1h 25m
Bearing
313° NW
Boston (BOS) to Ottawa (YOW) is 309 miles (498 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies BOS–YOW
Filed traffic dataIn May 2026, Porter Airlines was the only carrier flying nonstop BOS–YOW; the De Havilland DHC8-400 Dash-8 was the most common aircraft at 100% of departures; flights ran 56% full.
Departures
61
May 2026
Seats
4,758
both directions
Passengers
2,648
both directions
Load factor
55.6%
RPM ÷ ASM
Who flies BOS–YOW?
Porter Airlines was the only carrier to fly nonstop BOS–YOW in May 2026 (61 departures).
- P3
Porter Airlines
61 departures · 4,758 seats
Share of departures100.0%55.6%
Load
What plane flies BOS–YOW?
In May 2026, the De Havilland DHC8-400 Dash-8 flew 100% of BOS–YOW departures.
- De Havilland DHC8-400 Dash-8
61 departures · 55.6% load
100.0%
How has BOS–YOW traffic changed?
Nonstop BOS–YOW departures held steady at about 61 a month between June 2025 and May 2026.
Monthly nonstop BOS–YOW 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 · 3,124 passengers
66.6%
Load
July 2025
62 departures · 3,268 passengers
67.6%
Load
August 2025
59 departures · 3,376 passengers
73.4%
Load
September 2025
57 departures · 2,485 passengers
55.9%
Load
October 2025
62 departures · 2,836 passengers
58.6%
Load
November 2025
61 departures · 2,680 passengers
56.5%
Load
December 2025
62 departures · 2,708 passengers
55.4%
Load
January 2026
58 departures · 2,195 passengers
48.5%
Load
February 2026
51 departures · 2,130 passengers
53.5%
Load
March 2026
64 departures · 2,646 passengers
53.1%
Load
April 2026
60 departures · 2,764 passengers
59.2%
Load
May 2026
61 departures · 2,648 passengers
55.6%
Load
By direction
Each direction is filed separately — they rarely match.
YOW → BOS
48.3% full
31 departures · 1,167 passengers
BOS → YOW
63.3% full
30 departures · 1,481 passengers
Nonstop BOS–YOW 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
Ottawa
CA
Ottawa Macdonald-Cartier International Airport
Coordinates
45.32°N, 75.67°W
Hemisphere
N · W
Frequently asked
How far is Boston (BOS) from Ottawa (YOW)?
BOS to YOW is 309 miles (498 km / 269 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from BOS to YOW?
A nonstop covers the 309-mile great-circle distance in roughly 1h 25m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies BOS–YOW?
In May 2026, the De Havilland DHC8-400 Dash-8 flew the largest share of departures (100.0%).
What mileage do I earn flying BOS–YOW?
Distance-based programs credit off the 309-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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