9K 5691 Boston to Nantucket Flight Status

Cape Air Flight 9K5691 from Boston Logan International Airport BOS to Nantucket Memorial Airport ACK is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 10th, 2025.
Check the table below for 9K5691's most recent flight history:

9K 5691 Flight Status & Schedule

Date Departure Arrival Status
Oct 10 21:20 21:56
Landed
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Oct 03 21:00 21:55
Cancelled
Track >
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Sep 26 21:00 21:55
Cancelled
Track >
Sep 19 20:58 21:28
Landed
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Sep 12 21:28 21:59
Landed
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Cape Air 9K 5691 Boston to Nantucket Flight Information

Cape Air Flight 9K5691 connects Boston, United States to Nantucket, United States, taking off from Boston Logan International Airport BOS and landing at Nantucket Memorial Airport ACK.

How long is the 9K5691 flight from Boston to Nantucket?

The average flight time from Boston to Nantucket is 33 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 233 km/h / 145 mph.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5691 Boston to Nantucket?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5691 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest 9K5691 flight?

The latest flight took off on Saturday, October 11th, 2025 with the flight status being Landed on 21:56.

How else can the flight 9K5691 be referenced as?

This Cape Air flight can also be referenced as KAP5691, 9K 5691, KAP 5691.

How often is flight 9K5691 delayed?

On average, 20% of all 9K5691 flights are delayed. The average delay is 2 minutes.

Can I get compensation for my delayed or cancelled 9K5691 flight or baggage issues?

If your 9K5691 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our 9K5691 Flight Tracker above for more details.

9K5691 and Boston BOS to Nantucket ACK Flights

Flight 9K5691 is code-shared by 1 airline using the flight number B65386

Other flights departing from Boston BOS: S4272, 9K3591, 9K7111, AF4081

Other flights arriving at Nantucket ACK: TJ291, 9K5711, TJ293, 9K4051

All flights connecting Boston BOS to Nantucket ACK.

9K5691 Cape Air Flight: Boston to Nantucket Route Map

9K5691 Cape Air Flight Map: Boston to Nantucket
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.