Route · JFK → ACK · 2020–2025 BTS data
New York to Nantucket
The JFK–ACK corridor (New York, NY → Nantucket, MA) runs ahead of the national average, served by 4 carriers across roughly 199 miles.
Data updated 2026-06-13
- 79.9%
- On-time
- +0.9 pts
- vs US avg
- 85 min
- Delay when late
- 2,109
- Flights
Cancelled
3.4%
Best Month
Jun 2025 91%
Worst Month
Sep 2023 68%
Distance
199 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Sep 2025 | 39 | 6 | 0 | 0 | YX,B6 |
| Aug 2025 | 85 | 8 | 0 | 0 | YX,B6 |
| Jul 2025 | 93 | 21 | 7 | 0 | B6,YX |
| Jun 2025 | 68 | 6 | 3 | 0 | B6,YX |
| Sep 2024 | 35 | 2 | 0 | 0 | YX,B6 |
| Aug 2024 | 93 | 24 | 6 | 0 | B6,YX |
| Jul 2024 | 93 | 20 | 6 | 0 | B6,YX |
| Jun 2024 | 78 | 18 | 3 | 0 | B6,YX |
| May 2024 | 33 | 8 | 0 | 0 | B6,YX |
| Oct 2023 | 38 | 12 | 1 | 1 | B6 |
| Sep 2023 | 65 | 21 | 8 | 0 | B6,YX |
| Aug 2023 | 97 | 19 | 2 | 0 | B6,YX |
| Jul 2023 | 105 | 26 | 4 | 0 | B6,YX |
| Jun 2023 | 97 | 23 | 3 | 0 | B6,YX |
| May 2023 | 42 | 7 | 0 | 0 | B6,YX |
| Sep 2022 | 60 | 10 | 0 | 1 | 9E,B6 |
| Aug 2022 | 124 | 26 | 1 | 0 | 9E,B6 |
| Jul 2022 | 124 | 24 | 2 | 3 | 9E,B6 |
| Jun 2022 | 112 | 19 | 3 | 0 | 9E,B6 |
| May 2022 | 37 | 10 | 1 | 0 | 9E,B6 |
| Oct 2021 | 30 | 1 | 0 | 1 | B6 |
| Sep 2021 | 67 | 12 | 2 | 0 | 9E,B6 |
| Aug 2021 | 112 | 30 | 4 | 0 | 9E,B6 |
| Jul 2021 | 138 | 40 | 8 | 3 | 9E,B6 |
Cancellation Rate
3.4%
64 of 1,865 flights
Diversion Rate
0.5%
9 of 1,865 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
JFK - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Origin airport →ACK - Nantucket
Full on-time, delay-cause, and seasonal performance for Nantucket, MA.
Destination airport →Compare the two airports
See JFK and ACK side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to JFK–ACK.
Routes with a similar on-time rate
What the Data Says About JFK to ACK
2,109 tracked flights put the JFK to ACK pairing (New York to Nantucket) at a 79.9% on-time rate, squarely in line with the wider network. Delays that do occur run 85.2 minutes on average. Across the 199-mile route and its 4 carriers, the trailing 24 months show 3.4% cancelled and 0.5% diverted (1,865 flights sampled).
The monthly split is wide on this route: Jun 2025 posted the strongest performance at 91% on-time, while Sep 2023 came in at just 68% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.