Nantucket (ACK) to Boston (BOS)
Flight time
≈ 0h 59m
Bearing
328° NW
Nantucket (ACK) to Boston (BOS) is 91 miles (146 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies ACK–BOS
Filed traffic dataIn May 2026, Cape Air operated the most departures, one of 2 carriers flying nonstop ACK–BOS; the Cessna C-402 was the most common aircraft at 97% of departures; flights ran 57% full.
Departures
791
May 2026
Seats
10,525
both directions
Passengers
6,042
both directions
Load factor
57.4%
RPM ÷ ASM
Who flies ACK–BOS?
Cape Air operated the most nonstop ACK–BOS departures in May 2026 (765), one of 2 carriers on the route.
- 9K
Cape Air
765 departures · 6,885 seats
Share of departures96.7%61.5%
Load
- B6
26 departures · 3,640 seats
Share of departures3.3%49.7%
Load
What plane flies ACK–BOS?
In May 2026, the Cessna C-402 flew 97% of ACK–BOS departures — more than any other aircraft type.
- Cessna C-402
765 departures · 61.5% load
96.7% - Airbus A220-300
26 departures · 49.7% load
3.3%
How has ACK–BOS traffic changed?
Nonstop ACK–BOS departures fell from 1,003 in June 2025 to 791 in May 2026.
Monthly nonstop ACK–BOS traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
1,003 departures · 9,691 passengers
62.7%
Load
July 2025
1,122 departures · 13,179 passengers
61.6%
Load
August 2025
1,143 departures · 13,787 passengers
63.7%
Load
September 2025
1,075 departures · 10,597 passengers
59.8%
Load
October 2025
693 departures · 6,686 passengers
59.7%
Load
November 2025
472 departures · 2,149 passengers
50.6%
Load
December 2025
543 departures · 2,635 passengers
53.9%
Load
January 2026
341 departures · 1,408 passengers
45.9%
Load
February 2026
281 departures · 1,249 passengers
49.4%
Load
March 2026
371 departures · 1,739 passengers
52.1%
Load
April 2026
525 departures · 2,758 passengers
58.4%
Load
May 2026
791 departures · 6,042 passengers
57.4%
Load
By direction
Each direction is filed separately — they rarely match.
BOS → ACK
61.0% full
400 departures · 3,234 passengers
ACK → BOS
53.8% full
391 departures · 2,808 passengers
Nonstop ACK–BOS 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
Frequently asked
How far is Nantucket (ACK) from Boston (BOS)?
ACK to BOS is 91 miles (146 km / 79 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ACK to BOS?
A nonstop covers the 91-mile great-circle distance in roughly 0h 59m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ACK–BOS?
In May 2026, the Cessna C-402 flew the largest share of departures (96.7%), followed by the Airbus A220-300 (3.3%).
What mileage do I earn flying ACK–BOS?
Distance-based programs credit off the 91-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
Popular long-haul routes