| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | ACK | BOS | 11:55 | 12:43 |
Landed Late
|
Track > |
| May 25 | ACK | BOS | 17:16 | 18:04 |
Landed
|
Track > |
| May 22 | ACK | BOS | 10:19 | 11:19 |
Cancelled
|
Track > |
| Claim > | ||||||
| Apr 26 | ACK | BOS | 07:45 | 08:21 |
Landed
|
Track > |
| Dec 08 | ACK | BOS | 16:02 | 16:41 |
Landed
|
Track > |
| Dec 07 | ACK | BOS | 09:43 | 10:17 |
Landed
|
Track > |
| Dec 04 | ACK | BOS | 14:54 | 15:30 |
Landed
|
Track > |
| Nov 30 | ACK | BOS | 10:38 | 11:19 |
Landed Late
|
Track > |
| Oct 13 | ACK | BOS | 12:45 | 13:45 |
Cancelled
|
Track > |
| Oct 12 | ACK | BOS | 12:45 | 13:45 |
Unknown
|
Track > |
Cape Air Flight 9K5421 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 9K5421 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 199 km/h / 124 mph.
How many 9K5421 flights are operated per week?
1 flight per week. The flight 9K5421 is operated on Sunday.
What is the On-Time Performance (OTP) of Cape Air Flight 9K5421 Nantucket to Boston?
The Airportia On-Time Performance Rating for Cape Air Flight 9K5421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight 9K5421 arriving at?
Flight 9K5421 arrives at Boston Logan International Airport (BOS) Terminal C.
When was the latest 9K5421 flight?
The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 12:43.
How else can the flight 9K5421 be referenced as?
This Cape Air flight can also be referenced as KAP5421, 9K 5421, KAP 5421.
How often is flight 9K5421 delayed?
On average, 30% of all 9K5421 flights are delayed. The average delay is 15 minutes.
Can I get compensation for my delayed or cancelled 9K5421 flight or baggage issues?
If your 9K5421 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 9K5421 Flight Tracker above for more details.
Flight 9K5421 is code-shared by 1 airline using the flight number B65902
Other flights departing from Nantucket ACK: 9K5181, 9K1300, DL5856, 9K5281
Other flights arriving at Boston BOS: UA1977, DL2098, B6312, WN1062
All flights connecting Nantucket ACK to Boston BOS.
