9K 5531 Boston to Nantucket Flight Status

Cape Air Flight 9K5531 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 28th, 2026.
Check the table below for 9K5531's most recent flight history:

9K 5531 Flight Status & Schedule

Date Departure Arrival Status
May 28 14:32 15:03
Landed
Track >
Dec 05 14:50 15:20
Landed
Track >
Dec 04 12:34 13:04
Landed Late
Track >
Oct 13 16:16 17:09
Cancelled
Track >
Cancelled Flight? Get 600€ Compensation >
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Oct 05 16:16 17:09
En-Route
Track >

Cape Air 9K 5531 Boston to Nantucket Flight Information

Cape Air Flight 9K5531 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 9K5531 flight from Boston to Nantucket?

The average flight time from Boston to Nantucket is 31 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 213 km/h / 132 mph.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5531 Boston to Nantucket?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5531 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest 9K5531 flight?

The latest flight took off on Thursday, May 28th, 2026 with the flight status being Landed on 15:03.

How else can the flight 9K5531 be referenced as?

This Cape Air flight can also be referenced as KAP5531, 9K 5531, KAP 5531.

How often is flight 9K5531 delayed?

On average, 10% of all 9K5531 flights are delayed. The average delay is 20 minutes.

Can I get compensation for my delayed or cancelled 9K5531 flight or baggage issues?

If your 9K5531 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 9K5531 Flight Tracker above for more details.

9K5531 and Boston BOS to Nantucket ACK Flights

Flight 9K5531 is code-shared by 1 airline using the flight number B65903

Other flights departing from Boston BOS: DL2677, 9K5391, UA676, 9K3031

Other flights arriving at Nantucket ACK: DL5737, 9K5171, 9K5391, 9K688

All flights connecting Boston BOS to Nantucket ACK.

9K5531 Cape Air Flight: Boston to Nantucket Route Map

9K5531 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.