9K 5021 Nantucket to Boston Flight Status

Cape Air Flight 9K5021 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 9K5021's most recent flight history:

9K 5021 Flight Status & Schedule

Date Departure Arrival Status
Jun 01 08:17 08:57
Landed
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May 31 11:00 11:38
Landed Late
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May 30 15:45 16:45
Cancelled
Track >
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May 29 08:02 08:34
Landed
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May 28 08:05 08:39
Landed
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Cape Air 9K 5021 Nantucket to Boston Flight Information

Cape Air Flight 9K5021 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 9K5021 flight from Nantucket to Boston?

The average flight time from Nantucket to Boston is 34 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 222 km/h / 138 mph.

How many 9K5021 flights are operated per week?

4 flights per week. The flight 9K5021 is operated on Monday, Friday, Saturday and Sunday.

What is the On-Time Performance (OTP) of Cape Air Flight 9K5021 Nantucket to Boston?

The Airportia On-Time Performance Rating for Cape Air Flight 9K5021 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight 9K5021 arriving at?

Flight 9K5021 arrives at Boston Logan International Airport (BOS) Terminal C.

When was the latest 9K5021 flight?

The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 08:57.

How else can the flight 9K5021 be referenced as?

This Cape Air flight can also be referenced as KAP5021, 9K 5021, KAP 5021.

How often is flight 9K5021 delayed?

On average, 10% of all 9K5021 flights are delayed. The average delay is 18 minutes.

Can I get compensation for my delayed or cancelled 9K5021 flight or baggage issues?

If your 9K5021 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 9K5021 Flight Tracker above for more details.

9K5021 and Nantucket ACK to Boston BOS Flights

Flight 9K5021 is code-shared by 1 airline using the flight number B65746

Other flights departing from Nantucket ACK: TJ259, 9K687, 9K5101, 9K2

Other flights arriving at Boston BOS: DL1163, DL5632, B6716, 9K1026

All flights connecting Nantucket ACK to Boston BOS.

9K5021 Cape Air Flight: Nantucket to Boston Route Map

9K5021 Cape Air Flight Map: Nantucket to Boston
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.