9K 5091 Boston to Nantucket Flight Status

Cape Air Flight 9K5091 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 June 1st, 2026.
Check the table below for 9K5091's most recent flight history:

9K 5091 Flight Status & Schedule

Date Departure Arrival Status
Jun 01 10:38 11:17
Landed
Track >
May 31 15:55 16:28
En-Route
Track >
May 29 08:39 09:08
Landed
Track >
May 28 09:09 09:38
En-Route
Track >
May 27 10:25 10:58
Landed
Track >

Cape Air 9K 5091 Boston to Nantucket Flight Information

Cape Air Flight 9K5091 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 9K5091 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 246 km/h / 153 mph.

How many 9K5091 flights are operated per week?

3 flights per week. The flight 9K5091 is operated on Monday, Friday and Sunday.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5091 Boston to Nantucket?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5091 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest 9K5091 flight?

The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 11:17.

How else can the flight 9K5091 be referenced as?

This Cape Air flight can also be referenced as KAP5091, 9K 5091, KAP 5091.

How often is flight 9K5091 delayed?

On average, 10% of all 9K5091 flights are delayed. The average delay is 8 minutes.

Can I get compensation for my delayed or cancelled 9K5091 flight or baggage issues?

If your 9K5091 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 9K5091 Flight Tracker above for more details.

9K5091 and Boston BOS to Nantucket ACK Flights

Flight 9K5091 is code-shared by 1 airline using the flight number B65397

Other flights departing from Boston BOS: AC751, AC8691, B61633, 4B862

Other flights arriving at Nantucket ACK: DL5856, 9K5131, A86601, 9K155

All flights connecting Boston BOS to Nantucket ACK.

9K5091 Cape Air Flight: Boston to Nantucket Route Map

9K5091 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.