Nantucket (ACK) to New York (LGA) flights
Republic Airline, JetBlue fly nonstop from Nantucket Memorial Airport to LaGuardia Airport, with about 25 flights a week in July 2026. The 202-mile flight takes about 1h 21m gate to gate.
- Distance
- 202 mi · 325 km
- Flight time
- 1h 21m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying ACK to LGA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 20 | Embraer E175 | 17,708 | 1h 22m |
| JetBlue | 5 | Airbus A220-300, Embraer E190 | 7,327 | 1h 16m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ACK to LGA flight schedule
5 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 11:14am and the last at 4:40pm. 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) |
|---|---|---|---|---|
| B6 831JetBlue | 11:14am | 12:30pm | 31 | 75% |
| DL 5712Delta Air Lines · operated by Republic Airline | 12:28pm | 1:44pm | 31 | 70% |
| AA 4599American Airlines · operated by Republic Airline | 2:03pm | 3:29pm | 27 | 69% |
| AA 4546American Airlines · operated by Republic Airline | 2:32pm | 4:00pm | 4 | 77% |
| DL 5767Delta Air Lines · operated by Republic Airline | 4:40pm | 6:05pm | 31 | 79% |
Is ACK to LGA on time?
From September 2025 to August 2026, 73% of 411 flights arrived within 15 minutes of schedule and 8.5% were cancelled. Flights leaving around 4pm were the most punctual (76%), those around 12pm the least (69%). Most delay time was caused by air traffic control and airport congestion (51%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 220 | 73% | 22 min | 8.6% |
| American Airlines | 99 | 73% | 36 min | 11.1% |
| JetBlue | 92 | 75% | 25 min | 5.4% |
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 |
|---|---|---|---|
| 11am to 12pm | 92 | 75% | |
| 12pm to 1pm | 109 | 69% | |
| 2pm to 3pm | 81 | 75% | |
| 4pm to 5pm | 109 | 76% | |
| 7pm to 8pm | 11 | 60% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 125 | 8,539 | |
| September 2025 | 35 | 3,164 | |
| October 2025 | 9 | 747 | |
| May 2026 | 22 | 1,207 | |
| June 2026 | 86 | 4,735 | |
| July 2026 | 110 | 6,643 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.