9K 5491 Boston to Nantucket Flight Status

Cape Air Flight 9K5491 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 9K5491's most recent flight history:

9K 5491 Flight Status & Schedule

Date Departure Arrival Status
May 28 19:14 19:42
Landed
Track >
May 22 15:02 15:43
Landed
Track >
Apr 23 09:05 09:39
Landed
Track >
Dec 05 12:40 13:14
En-Route
Track >
Dec 04 17:55 18:27
Landed
Track >

Cape Air 9K 5491 Boston to Nantucket Flight Information

Cape Air Flight 9K5491 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 9K5491 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 242 km/h / 150 mph.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5491 Boston to Nantucket?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5491 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest 9K5491 flight?

The latest flight took off on Thursday, May 28th, 2026 with the flight status being Landed on 19:42.

How else can the flight 9K5491 be referenced as?

This Cape Air flight can also be referenced as KAP5491, 9K 5491, KAP 5491.

How often is flight 9K5491 delayed?

On average, 40% of all 9K5491 flights are delayed. The average delay is 10 minutes.

Can I get compensation for my delayed or cancelled 9K5491 flight or baggage issues?

If your 9K5491 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 9K5491 Flight Tracker above for more details.

9K5491 and Boston BOS to Nantucket ACK Flights

Flight 9K5491 is code-shared by 1 airline using the flight number B65906

Other flights departing from Boston BOS: 9K1861, DL1677, PD618, AA1554

Other flights arriving at Nantucket ACK: 9K1301, 9K5411, 9K5451, TJ259

All flights connecting Boston BOS to Nantucket ACK.

9K5491 Cape Air Flight: Boston to Nantucket Route Map

9K5491 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.