9K 5321 Nantucket to Boston Flight Status

Cape Air Flight 9K5321 from Nantucket Memorial Airport ACK to Boston Logan International Airport BOS 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 9K5321's most recent flight history:

9K 5321 Flight Status & Schedule

Date Departure Arrival Status
Jun 01 11:36 12:35
Cancelled
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May 31 10:05 10:49
Unknown
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May 25 15:45 16:43
Cancelled
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Apr 28 11:34 12:11
Landed
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Apr 26 13:42 14:17
Landed
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Cape Air 9K 5321 Nantucket to Boston Flight Information

Cape Air Flight 9K5321 connects Nantucket, United States to Boston, United States, taking off from Nantucket Memorial Airport ACK and landing at Boston Logan International Airport BOS.

How long is the 9K5321 flight from Nantucket to Boston?

The average flight time from Nantucket to Boston is 40 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 183 km/h / 114 mph.

How many 9K5321 flights are operated per week?

2 flights per week. The flight 9K5321 is operated on Monday and Sunday.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5321 Nantucket to Boston?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5321 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight 9K5321 arriving at?

Flight 9K5321 arrives at Boston Logan International Airport (BOS) Terminal C.

When was the latest 9K5321 flight?

The latest flight was scheduled for Monday, June 1st, 2026 but was cancelled.

How else can the flight 9K5321 be referenced as?

This Cape Air flight can also be referenced as KAP5321, 9K 5321, KAP 5321.

How often is flight 9K5321 delayed?

On average, 20% of all 9K5321 flights are delayed. The average delay is 24 minutes.

Can I get compensation for my delayed or cancelled 9K5321 flight or baggage issues?

If your 9K5321 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 9K5321 Flight Tracker above for more details.

9K5321 Flight Delay Compensation up to 600€!

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Flight delays happen, but that doesn’t mean you have to accept them. You may be entitled to as much as 600€ in compensation if your flight has been delayed, cancelled or overbooked within the last three years. Claim Compensation Now >

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9K5321 and Nantucket ACK to Boston BOS Flights

Flight 9K5321 is code-shared by 1 airline using the flight number B65934

Other flights departing from Nantucket ACK: 9K1300, DL5856, 9K5161, C28971

Other flights arriving at Boston BOS: AA109, AA4785, 9K2041, 9K60

All flights connecting Nantucket ACK to Boston BOS.

9K5321 Cape Air Flight: Nantucket to Boston Route Map

9K5321 Cape Air Flight Map: Nantucket to Boston
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.