Route · LGA → ACK · 2020–2025 BTS data
New York to Nantucket
The LGA–ACK corridor (New York, NY → Nantucket, MA) runs ahead of the national average, served by 8 carriers across roughly 202 miles.
Data updated 2026-06-13
- 83.2%
- On-time
- +4.2 pts
- vs US avg
- 81 min
- Delay when late
- 1,973
- Flights
Cancelled
4.2%
Best Month
Jun 2022 90%
Worst Month
Jul 2023 71%
Distance
202 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Sep 2025 | 38 | 6 | 0 | 0 | YX,B6 |
| Aug 2025 | 126 | 13 | 0 | 0 | YX,B6 |
| Jul 2025 | 132 | 24 | 4 | 0 | B6,YX |
| Jun 2025 | 81 | 17 | 3 | 2 | B6,YX |
| Sep 2024 | 37 | 1 | 0 | 0 | YX,B6 |
| Aug 2024 | 128 | 16 | 5 | 0 | B6,YX |
| Jul 2024 | 128 | 30 | 7 | 1 | B6,YX |
| Jun 2024 | 100 | 18 | 1 | 4 | B6,YX |
| May 2024 | 40 | 4 | 1 | 1 | B6,YX |
| Oct 2023 | 31 | 7 | 0 | 0 | B6 |
| Sep 2023 | 60 | 10 | 5 | 0 | B6,YX |
| Aug 2023 | 114 | 15 | 0 | 0 | B6,YX |
| Jul 2023 | 116 | 34 | 10 | 0 | B6,YX |
| Jun 2023 | 116 | 19 | 6 | 1 | B6,YX |
| May 2023 | 35 | 2 | 0 | 0 | B6,YX |
| Oct 2022 | 63 | 16 | 5 | 2 | B6,9E |
| Sep 2022 | 91 | 15 | 3 | 1 | 9E,B6 |
| Aug 2022 | 120 | 17 | 7 | 2 | 9E,B6 |
| Jul 2022 | 104 | 24 | 8 | 2 | 9E,B6 |
| Jun 2022 | 60 | 6 | 3 | 1 | 9E |
| Sep 2021 | 33 | 5 | 0 | 0 | YX,B6 |
| Aug 2021 | 53 | 14 | 4 | 0 | YX,B6 |
| Jul 2021 | 54 | 10 | 5 | 0 | YX,B6 |
| Jun 2021 | 42 | 1 | 3 | 0 | YX,B6 |
Cancellation Rate
4.2%
80 of 1,902 flights
Diversion Rate
0.9%
17 of 1,902 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LGA - 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 LGA 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 LGA–ACK.
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What the Data Says About LGA to ACK
Bureau of Transportation Statistics records show New York to Nantucket (LGA to ACK) running a 83.2% on-time rate over 1,973 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 81.4 minutes. The 202-mile corridor is served by 8 carriers, and over the last 24 months 4.2% of 1,902 flights were cancelled, 0.9% diverted.
The monthly split is wide on this route: Jun 2022 posted the strongest performance at 90% on-time, while Jul 2023 came in at just 71% - a 19-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.