Nantucket (ACK) to Westerly (WST)
Flight time
≈ 0h 59m
Bearing
275° W
Nantucket (ACK) to Westerly (WST) is 91 miles (146 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ACK–WST
US DOT T-100 · filed dataIn October 2025, Tradewind Aviation was the only carrier flying nonstop ACK–WST; the Pilatus PC-12 was the most common aircraft at 100% of departures; flights ran 75% full.
Departures
2
October 2025
Seats
16
both directions
Passengers
12
both directions
Load factor
75.0%
passengers ÷ seats
Who flies ACK–WST?
Tradewind Aviation was the only carrier to fly nonstop ACK–WST in October 2025 (2 departures).
- TJ
Tradewind Aviation
2 departures · 16 seats
Share of departures100.0%75.0%
Load
What plane flies ACK–WST?
In October 2025, the Pilatus PC-12 flew 100% of ACK–WST departures.
- Pilatus PC-12
2 departures · 75.0% load
100.0%
How has ACK–WST traffic changed?
Nonstop ACK–WST departures held steady at about 2 a month between June 2025 and October 2025.
Monthly nonstop ACK–WST traffic, trailing 12 months through October 2025. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
2 departures · 2 passengers
12.5%
Load
July 2025
3 departures · 7 passengers
29.2%
Load
August 2025
3 departures · 10 passengers
41.7%
Load
September 2025
0 departures · 0 passengers
—
Load
October 2025
2 departures · 12 passengers
75.0%
Load
By direction
The DOT files each direction separately — they rarely match.
ACK → WST
75.0% full
1 departures · 6 passengers
WST → ACK
75.0% full
1 departures · 6 passengers
Nonstop ACK–WST traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through October 2025; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Nantucket (ACK) from Westerly (WST)?
ACK to WST 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 WST?
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–WST?
In October 2025, the Pilatus PC-12 flew the largest share of departures (100.0%).
What mileage do I earn flying ACK–WST?
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.
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