Best Time to Fly HHH to DCA: On-Time Stats by Hour & Airline
Hilton Head Airport → Ronald Reagan Washington National
Data through July 2026 · Last updated October 18, 2026
330 flights were scheduled from Hilton Head (HHH) to Washington (DCA) in the last 12 months, and 81.6% of those that flew arrived on time, 3.9 points above the US average of 77.6%.
Envoy Air was the most punctual of the 2 airlines on the route at 88.9%, while Republic Airways trailed at 77.8%.
October has been the best month (92% on time) and Saturday the weakest day of the week (78%).
2.1% of flights were cancelled, versus 1.8% nationally.
HHH to DCA on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Air | 88.9% | 88 min | 0.0% | 108 |
| Republic Airways | 77.8% | 89 min | 3.1% | 222 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HHH to DCA
On-time arrival % by scheduled departure hour (local time), 561 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 10am–11am | 82.7% | 1.3% | 76 |
| 11am–12pm | 86.3% | 1.2% | 335 |
| 12pm–1pm | Limited data | 5 | |
| 2pm–3pm | Limited data | 6 | |
| 3pm–4pm | 78.4% | 0.0% | 37 |
| 4pm–5pm | 63.1% | 8.5% | 94 |
| 5pm–6pm | Limited data | 1 | |
| 6pm–7pm | Limited data | 1 | |
| 7pm–8pm | Limited data | 5 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on HHH to DCA
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 7 | ||
| Summer peak (Jun 15 - Aug 15) | 78.4% | -3.7 pts | 4.2% | 142 |
| All other days | 82.1% | — | 1.9% | 412 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).