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 June 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 57% full.
Departures
60
June 2026
Seats
4,680
both directions
Passengers
2,690
both directions
Load factor
57.5%
RPM ÷ ASM
Who flies BOS–YOW?
Porter Airlines was the only carrier to fly nonstop BOS–YOW in June 2026 (60 departures).
- P3
Porter Airlines
60 departures · 4,680 seats
Share of departures100.0%57.5%
Load
What plane flies BOS–YOW?
In June 2026, the De Havilland DHC8-400 Dash-8 flew 100% of BOS–YOW departures.
- De Havilland DHC8-400 Dash-8
60 departures · 57.5% load
100.0%
How has BOS–YOW traffic changed?
Nonstop BOS–YOW departures rose from 59 in August 2025 to 60 in June 2026.
Monthly nonstop BOS–YOW traffic, trailing 12 months through June 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
60 departures · 2,690 passengers
57.5%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → YOW
60.8% full
30 departures · 1,422 passengers
YOW → BOS
54.2% full
30 departures · 1,268 passengers
Nonstop BOS–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
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 June 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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