New York (LGA) to Nantucket (ACK) flights
Republic Airline, JetBlue fly nonstop from LaGuardia Airport to Nantucket Memorial Airport, with about 25 flights a week in July 2026. The 202-mile flight takes about 1h 13m gate to gate.
- Distance
- 202 mi · 325 km
- Flight time
- 1h 13m
- Airlines
- 2
- Seats filled
- 75%
Airlines flying LGA to ACK
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 21 | Embraer E175 | 18,630 | 1h 14m |
| JetBlue | 5 | Airbus A220-300, Embraer E190 | 6,680 | 1h 8m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LGA to ACK flight schedule
5 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 10:26am and the last at 2:29pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 5712Delta Air Lines · operated by Republic Airline | 10:26am | 11:48am | 31 | 82% |
| AA 4599American Airlines · operated by Republic Airline | 12:18pm | 1:33pm | 27 | 86% |
| AA 4546American Airlines · operated by Republic Airline | 12:38pm | 2:01pm | 4 | 85% |
| B6 2432JetBlue | 1:25pm | 2:38pm | 31 | 74% |
| DL 5767Delta Air Lines · operated by Republic Airline | 2:29pm | 3:57pm | 31 | 79% |
Is LGA to ACK on time?
From September 2025 to August 2026, 80% of 411 flights arrived within 15 minutes of schedule and 4.9% were cancelled. Flights leaving around 12pm were the most punctual (84%), those around 1pm the least (75%). Most delay time was caused by late-arriving aircraft (54%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 220 | 80% | 13 min | 3.2% |
| American Airlines | 99 | 85% | 8 min | 6.1% |
| JetBlue | 92 | 74% | 17 min | 7.6% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 10am to 11am | 109 | 81% | |
| 12pm to 1pm | 77 | 84% | |
| 1pm to 2pm | 96 | 75% | |
| 2pm to 3pm | 109 | 78% | |
| 4pm to 5pm | 15 | 80% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 126 | 7,820 | |
| September 2025 | 38 | 2,469 | |
| October 2025 | 9 | 675 | |
| May 2026 | 22 | 1,380 | |
| June 2026 | 90 | 5,586 | |
| July 2026 | 111 | 7,380 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.