9K 5331 Boston to Nantucket Flight Status

Cape Air Flight 9K5331 from Boston Logan International Airport BOS to Nantucket Memorial Airport ACK is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 29th, 2026.
Check the table below for 9K5331's most recent flight history:

9K 5331 Flight Status & Schedule

Date Departure Arrival Status
May 29 13:43 14:18
Delayed
Track >
May 28 13:58 14:28
Landed
Track >
May 22 18:40 19:16
Landed
Track >
May 21 11:20 12:15
En-Route
Track >
May 19 12:05 12:20
En-Route
Track >

Cape Air 9K 5331 Boston to Nantucket Flight Information

Cape Air Flight 9K5331 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 9K5331 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 232 km/h / 144 mph.

How many 9K5331 flights are operated per week?

1 flight per week. The flight 9K5331 is operated on Friday.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5331 Boston to Nantucket?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5331 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest 9K5331 flight?

The latest flight took off on Friday, May 29th, 2026 with the flight status being En-Route on 14:18.

How else can the flight 9K5331 be referenced as?

This Cape Air flight can also be referenced as KAP5331, 9K 5331, KAP 5331.

How often is flight 9K5331 delayed?

On average, 10% of all 9K5331 flights are delayed. The average delay is 21 minutes.

Can I get compensation for my delayed or cancelled 9K5331 flight or baggage issues?

If your 9K5331 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 9K5331 Flight Tracker above for more details.

9K5331 and Boston BOS to Nantucket ACK Flights

Flight 9K5331 is code-shared by 1 airline using the flight number B65166

Other flights departing from Boston BOS: B6855, 9K1003, AA4386, 9K2051

Other flights arriving at Nantucket ACK: 9K5311, TJ1002, DL5804, 9K1

All flights connecting Boston BOS to Nantucket ACK.

9K5331 Cape Air Flight: Boston to Nantucket Route Map

9K5331 Cape Air Flight Map: Boston to Nantucket
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.