9K5091 BostonBOS · 10:40 NantucketACK
9K5091 by Cape Air flies from Boston (BOS) to Nantucket (ACK).
scheduled from BOS
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation1 cancelled · 5 operations tracked
The route today
live boardsTomorrow on this route
ForecastBoston to Nantucket with Cape Air · Sun 1 Nov, local date
- Chance a departure is cancelled
- 17%0.9× usual
- Chance a departure leaves 60+ min late
- 12%0.7× usual
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Boston to Nantucket flights today
same route · Cape AirIf 9K5091 is cancelled, these are the other Cape Air nonstop flights from Boston to Nantucket on the same day, with scheduled departure times in BOS local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How 9K5091 actually runs
Pro Flight Search has tracked every published board update for 9K5091 across the BOS and ACK boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 4/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how 9K5091 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as BOS and ACK published them.
Planning around 9K5091? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: 9K5091 Boston to Nantucket on-time performance, measured from the BOS and ACK airport boards.
https://proflightsearch.com/flight/9K5091
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