Washington (DCA) to Hilton Head Island (HHH) flights
Republic Airline flies nonstop from Ronald Reagan Washington National Airport to Hilton Head Airport, with about 7 flights a week in July 2026. The 501-mile flight takes about 1h 55m gate to gate.
- Distance
- 501 mi · 806 km
- Flight time
- 1h 55m
- Airlines
- 1
- Seats filled
- 56%
Airlines flying DCA to HHH
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 7 | Embraer E175 | 8,867 | 1h 55m |
| Envoy AirSeasonal or ended | n/a | Embraer E175 | 4,769 | 1h 56m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DCA to HHH flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 8:21am and the last at 8:39am. 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 3891American Airlines · operated by Envoy Air | 8:21am | 10:27am | 27 | 72% |
| AA 4515American Airlines · operated by Republic Airline | 8:39am | 10:37am | 4 | 91% |
Is DCA to HHH on time?
From September 2025 to August 2026, 85% of 330 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 8am were the most punctual (89%), those around 9am the least (70%). Most delay time was caused by late-arriving aircraft (55%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 330 | 85% | 11 min | 1.2% |
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 | 178 | 89% | |
| 9am to 10am | 31 | 70% | |
| 1pm to 2pm | 108 | 80% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 32 | 1,309 | |
| September 2025 | 33 | 1,254 | |
| October 2025 | 32 | 1,369 | |
| November 2025 | 30 | 930 | |
| December 2025 | 16 | 203 | |
| February 2026 | 15 | 640 | |
| March 2026 | 31 | 1,499 | |
| April 2026 | 33 | 1,640 | |
| May 2026 | 34 | 1,519 | |
| June 2026 | 34 | 1,660 | |
| July 2026 | 33 | 1,613 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.