Route
HPN → ACK
Westchester County Airport Nantucket Memorial Airport
191 miles
Return route ACK → HPN →
How punctual is this route?
- On-time arrivals
- 81.2%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 234
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 23%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 6%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.9% | 32 |
| October 2025 | 100.0% | 20 |
| May 2026 | 81.8% | 11 |
| June 2026 | 80.9% | 47 |
| July 2026 | 72.7% | 62 |
| August 2026 | 75.4% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 234 | 81.2% | 3.8% | 90 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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