Route
ACK → LGA
Nantucket Memorial Airport LaGuardia Airport
202 miles
Return route LGA → ACK →
How punctual is this route?
- On-time arrivals
- 73.1%
- Less than 15 minutes late
- Cancelled
- 8.5%
- Of scheduled flights
- Average delay when late
- 97 min
- Flights arriving 15+ minutes late
- Flights tracked
- 411
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 54%
- Late-arriving aircraft 28%
- Airline (crew, maintenance, cleaning) 14%
- Extreme weather 4%
- 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 | 80.0% | 38 |
| October 2025 | 77.8% | 10 |
| May 2026 | 59.1% | 22 |
| June 2026 | 73.3% | 91 |
| July 2026 | 68.2% | 125 |
| August 2026 | 77.9% | 125 |
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 |
|---|---|---|---|---|
| Republic Airways | 319 | 72.6% | 9.4% | 97 min |
| JetBlue Airways | 92 | 74.7% | 5.4% | 100 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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