| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | BOS | ACK | 19:45 | 20:20 |
Landed Late
|
Track > |
| Oct 24 | BOS | ACK | 19:48 | 20:22 |
Delayed
|
Track > |
| Oct 23 | BOS | ACK | 19:24 | 19:56 |
En-Route
|
Track > |
| Oct 22 | BOS | ACK | 19:19 | 19:47 |
En-Route
|
Track > |
| Oct 21 | BOS | ACK | 19:00 | 19:45 |
Cancelled
|
Track > |
| Claim > | ||||||
| Oct 20 | BOS | ACK | 19:38 | 20:08 |
Delayed
|
Track > |
| Oct 19 | BOS | ACK | 19:34 | 20:07 |
Delayed
|
Track > |
| Oct 18 | BOS | ACK | 19:11 | 19:45 |
En-Route
|
Track > |
| Oct 17 | BOS | ACK | 19:40 | 20:16 |
Delayed
|
Track > |
| Oct 16 | BOS | ACK | 18:50 | 19:45 |
Cancelled
|
Track > |
Cape Air Flight 9K5431 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 9K5431 flight from Boston to Nantucket?
The average flight time from Boston to Nantucket is 32 minutes. The flight distance is 146 km / 91 miles and the average flight speed is 245 km/h / 152 mph.
How many 9K5431 flights are operated per week?
6 flights per week. The flight 9K5431 is operated on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Cape Air Flight 9K5431 Boston to Nantucket?
The Airportia On-Time Performance Rating for Cape Air Flight 9K5431 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest 9K5431 flight?
The latest flight took off on Sunday, October 25th, 2026 with the flight status being Landed on 20:20.
How else can the flight 9K5431 be referenced as?
This Cape Air flight can also be referenced as KAP5431, 9K 5431, KAP 5431.
How often is flight 9K5431 delayed?
On average, 70% of all 9K5431 flights are delayed. The average delay is 23 minutes.
Can I get compensation for my delayed or cancelled 9K5431 flight or baggage issues?
If your 9K5431 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 9K5431 Flight Tracker above for more details.
Other flights departing from Boston BOS: TP218, UA1693, YX5629, YX5716
Other flights arriving at Nantucket ACK: TJ2004, TJ2010, 9K7511, 9K687
All flights connecting Boston BOS to Nantucket ACK.
