| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 16 | BOS | ACK | 12:46 | 13:27 |
Delayed
|
Track > |
| Oct 13 | BOS | ACK | 15:45 | 15:36 |
En-Route
|
Track > |
| Oct 11 | BOS | ACK | 13:10 | 14:05 |
En-Route
|
Track > |
| Oct 10 | BOS | ACK | 12:20 | 12:51 |
En-Route
|
Track > |
| Oct 08 | BOS | ACK | 12:15 | 12:53 |
En-Route
|
Track > |
| Oct 07 | BOS | ACK | 12:08 | 12:46 |
En-Route
|
Track > |
| Oct 06 | BOS | ACK | 11:52 | 12:47 |
En-Route
|
Track > |
| Oct 04 | BOS | ACK | 13:12 | 13:49 |
Landed
|
Track > |
| Oct 03 | BOS | ACK | 12:05 | 12:37 |
Landed
|
Track > |
| Oct 01 | BOS | ACK | 12:03 | 12:41 |
Landed
|
Track > |
Cape Air Flight 9K5171 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 9K5171 flight from Boston to Nantucket?
The average flight time from Boston to Nantucket is 36 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 218 km/h / 135 mph.
How many 9K5171 flights are operated per week?
2 flights per week. The flight 9K5171 is operated on Tuesday and Friday.
What is the On-Time Performance (OTP) of Cape Air Flight 9K5171 Boston to Nantucket?
The Airportia On-Time Performance Rating for Cape Air Flight 9K5171 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest 9K5171 flight?
The latest flight took off on Friday, October 16th, 2026 with the flight status being En-Route on 13:27.
How else can the flight 9K5171 be referenced as?
This Cape Air flight can also be referenced as KAP5171, 9K 5171, KAP 5171.
How often is flight 9K5171 delayed?
On average, 30% of all 9K5171 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled 9K5171 flight or baggage issues?
If your 9K5171 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 9K5171 Flight Tracker above for more details.
Other flights departing from Boston BOS: YX5731, UA659, B61859, SY8466
Other flights arriving at Nantucket ACK: TJ2000, TJ2006, TJ617, TJ617
All flights connecting Boston BOS to Nantucket ACK.
