Route · HPN → ACK · 2020–2025 BTS data
White Plains to Nantucket
The HPN–ACK corridor (White Plains, NY → Nantucket, MA) runs ahead of the national average, served by 1 carrier across roughly 191 miles.
Data updated 2026-06-13
- 86.4%
- On-time
- +7.4 pts
- vs US avg
- 89 min
- Delay when late
- 624
- Flights
Cancelled
2.6%
Best Month
Aug 2025 92%
Worst Month
Jul 2024 76%
Distance
191 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Sep 2025 | 32 | 1 | 0 | 0 | B6 |
| Aug 2025 | 62 | 5 | 0 | 0 | B6 |
| Jul 2025 | 62 | 8 | 2 | 0 | B6 |
| Jun 2025 | 49 | 9 | 2 | 1 | B6 |
| Sep 2024 | 33 | 3 | 0 | 1 | B6 |
| Aug 2024 | 62 | 10 | 4 | 0 | B6 |
| Jul 2024 | 62 | 15 | 2 | 0 | B6 |
| Jun 2024 | 48 | 6 | 0 | 1 | B6 |
| Sep 2023 | 30 | 3 | 2 | 0 | B6 |
| Aug 2023 | 31 | 4 | 0 | 0 | B6 |
| Jul 2023 | 31 | 10 | 2 | 0 | B6 |
| Jun 2023 | 30 | 2 | 1 | 2 | B6 |
| Sep 2022 | 30 | 3 | 0 | 0 | B6 |
| Aug 2022 | 31 | 4 | 1 | 0 | B6 |
| Jul 2022 | 31 | 2 | 0 | 1 | B6 |
Cancellation Rate
2.6%
16 of 624 flights
Diversion Rate
1.0%
6 of 624 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
HPN - White Plains
Full on-time, delay-cause, and seasonal performance for White Plains, NY.
Origin airport →ACK - Nantucket
Full on-time, delay-cause, and seasonal performance for Nantucket, MA.
Destination airport →Compare the two airports
See HPN 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 HPN–ACK.
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What the Data Says About HPN to ACK
White Plains to Nantucket (HPN to ACK) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.4% on-time rate across 624 flights, with delays that do happen averaging 88.7 minutes. The corridor runs roughly 191 miles and is served by 1 carrier. Over the most recent 24 months, 16 of 624 flights were cancelled (2.6%) and 6 diverted (1.0%).
The monthly split is wide on this route: Aug 2025 posted the strongest performance at 92% on-time, while Jul 2024 came in at just 76% - a 16-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.