Washington (DCA) to Nantucket (ACK) flights
Republic Airline, JetBlue fly nonstop from Ronald Reagan Washington National Airport to Nantucket Memorial Airport, with about 19 flights a week in July 2026. The 405-mile flight takes about 1h 36m gate to gate.
- Distance
- 405 mi · 652 km
- Flight time
- 1h 36m
- Airlines
- 2
- Seats filled
- 68%
Airlines flying DCA to ACK
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 14 | Embraer E175 | 9,674 | 1h 41m |
| JetBlue | 5 | Airbus A220-300, Embraer E190 | 8,165 | 1h 30m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DCA to ACK flight schedule
6 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 7:35am and the last at 3:10pm. 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) |
|---|---|---|---|---|
| AA 4363American Airlines · operated by Republic Airline | 7:35am | 9:21am | 7 | n/a |
| AA 4588American Airlines · operated by Republic Airline | 8:28am | 10:07am | 27 | 89% |
| AA 4543American Airlines · operated by Republic Airline | 8:30am | 10:09am | 4 | 79% |
| AA 4649American Airlines · operated by Republic Airline | 2:54pm | 4:30pm | 27 | 72% |
| AA 4553American Airlines · operated by Republic Airline | 2:59pm | 4:40pm | 4 | 62% |
| B6 2494JetBlue | 3:10pm | 4:41pm | 31 | 53% |
Is DCA to ACK on time?
From September 2025 to August 2026, 64% of 286 flights arrived within 15 minutes of schedule and 7% were cancelled. Flights leaving around 9am were the most punctual (85%), those around 3pm the least (52%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 166 | 72% | 18 min | 5.4% |
| JetBlue | 120 | 53% | 27 min | 9.2% |
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 |
|---|---|---|---|
| 8am to 9am | 57 | 81% | |
| 9am to 10am | 20 | 85% | |
| 2pm to 3pm | 83 | 65% | |
| 3pm to 4pm | 111 | 52% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 97 | 6,052 | |
| September 2025 | 34 | 2,321 | |
| October 2025 | 9 | 643 | |
| June 2026 | 46 | 3,165 | |
| July 2026 | 82 | 5,658 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.