Route
BOS → ACK
Boston Logan International Airport Nantucket Memorial Airport
91 miles
Return route ACK → BOS →
How punctual is this route?
- On-time arrivals
- 80.5%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 315
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Air traffic control & airport 27%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 32 |
| October 2025 | 72.2% | 19 |
| May 2026 | 76.9% | 13 |
| June 2026 | 89.2% | 65 |
| July 2026 | 75.9% | 93 |
| August 2026 | 78.3% | 93 |
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 | 240 | 79.3% | 3.3% | 76 min |
| Republic Airways | 75 | 84.0% | 0.0% | 37 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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