Nantucket (ACK) to Washington (DCA) flights
Republic Airline, JetBlue fly nonstop from Nantucket Memorial Airport to Ronald Reagan Washington National Airport, with about 19 flights a week in July 2026. The 405-mile flight takes about 1h 44m gate to gate.
- Distance
- 405 mi · 652 km
- Flight time
- 1h 44m
- Airlines
- 2
- Seats filled
- 70%
Airlines flying ACK to DCA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 13 | Embraer E175 | 9,569 | 1h 46m |
| JetBlue | 6 | Airbus A220-300, Embraer E190 | 8,928 | 1h 42m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ACK to DCA flight schedule
7 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 9:51am and the last at 5:10pm. 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 | 9:51am | 11:45am | 8 | 80% |
| AA 4588American Airlines · operated by Republic Airline | 10:37am | 12:31pm | 22 | 82% |
| AA 4543American Airlines · operated by Republic Airline | 10:39am | 12:26pm | 4 | 75% |
| B6 2493JetBlue | 10:52am | 12:29pm | 31 | 69% |
| AA 4431American Airlines · operated by Republic Airline | 11:37am | 1:31pm | 4 | n/a |
| AA 4649American Airlines · operated by Republic Airline | 5:00pm | 6:52pm | 27 | 72% |
| AA 4553American Airlines · operated by Republic Airline | 5:10pm | 6:55pm | 4 | 50% |
Is ACK to DCA on time?
From September 2025 to August 2026, 69% of 286 flights arrived within 15 minutes of schedule and 5.6% were cancelled. Flights leaving around 11am were the most punctual (82%), those around 5pm the least (57%). Most delay time was caused by late-arriving aircraft (63%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 166 | 69% | 24 min | 6.6% |
| JetBlue | 120 | 69% | 27 min | 4.2% |
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 |
|---|---|---|---|
| 10am to 11am | 147 | 72% | |
| 11am to 12pm | 27 | 82% | |
| 12pm to 1pm | 25 | 60% | |
| 4pm to 5pm | 12 | 64% | |
| 5pm to 6pm | 64 | 57% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 97 | 6,648 | |
| September 2025 | 34 | 2,922 | |
| October 2025 | 8 | 646 | |
| June 2026 | 47 | 2,654 | |
| July 2026 | 83 | 5,627 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.