BOS → ACKBoston to Nantucket

live

Direct flights from Boston (BOS) to Nantucket (ACK): 21 nonstop departures observed each week across 3 airlines. The median arrival is 75 minutes late. 2 of the 4 tracked flights were cancelled. The nonstop covers 146 km, an estimated 41 minutes in the air. Measured by Pro Flight Search from live flight boards at Boston and Nantucket. Updated 6 September 2026 at 23:26 UTC.

BOS Boston busy · +16
ACK Nantucket tracking
146 km · ~0h 41m est.
dep bank 08:20–21:1021x weekly
Running clean · 3 airlines · 21x weekly · nonstop
78 / 100

route health from live BOS and ACK delay boards

Median arrival delay is +75 min. 2 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+75 minacross the last 4 operated legs
Flight time~0h 41mestimated from route distance
Weekly departures21x3 direct airlines on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American AirlinesCape AirJetBlue Airways

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
American AirlinesAA

Flights AA4343 09:34 daily

Cape Air9K

Flights 9K5011 08:20 daily · 9K5411 08:42 Mo Tu We Th Sa Su · 9K5031 10:55 Tu We Th Fr Sa Su · 9K5091 11:30 daily

JetBlue AirwaysB6

Flights B62352 09:30 daily · B61352 varies daily

History

operated legs · board outcomes
09-069K5331departed+75
09-069K5451cancelledCNX
09-06B61352departed+0
09-059K5431cancelledCNX

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
BOSBoston +16 min busy Full BOS delay board →
ACKNantucket tracking Full ACK delay board →

How the Boston to Nantucket route actually runs

Pro Flight Search records official board updates for nonstop BOS to ACK flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Boston (BOS) to Nantucket (ACK) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/BOS-ACK
How we measure this →

BOS to ACK questions

Is BOS–ACK running on time right now?

Mostly on schedule. The departure side at BOS is the weaker end, route health score 78/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on BOS–ACK?

Operators schedule morning departures around 08:20 and evening departures around 18:00 from BOS. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ACK delay card to confirm conditions when you'd arrive.

How long is the flight from BOS to ACK?

Great-circle distance is 146 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 40–43 min gate-to-gate on this route.

How often does BOS–ACK fly?

3 carriers operate this route, around 111 flights a week between them. Compare carrier days and times in the airline list above.