Hilton Head Airport (HHH) Delays and On-Time Departures
Hilton Head, SC · ranked 154th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
80.9% of the 2,373 flights scheduled to depart Hilton Head (HHH) in the last 12 months left on time, 3.5 points above the US average of 77.4%.
That ranks 154th of 333 US airports tracked on this site, with 1.7% of departures cancelled.
Among airlines at Hilton Head (HHH), Envoy Air left on time most often (84.5%).
Over 24 months, Tuesday was the most reliable day (87% on time) and May the worst month (76%).
Best time of day to fly out of Hilton Head (HHH)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 10am–11am | 87.5% | 0.7% | 137 |
| 11am–12pm | 85.4% | 1.0% | 705 |
| 12pm–1pm | 85.5% | 1.9% | 944 |
| 1pm–2pm | 79.5% | 1.1% | 272 |
| 2pm–3pm | 81.3% | 1.8% | 621 |
| 3pm–4pm | 76.5% | 3.4% | 440 |
| 4pm–5pm | 65.3% | 4.9% | 488 |
| 5pm–6pm | 80.3% | 2.1% | 386 |
| 6pm–7pm | 75.7% | 2.9% | 386 |
| 7pm–8pm | Limited data | 27 | |
Airlines at HHH ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Envoy Air | 84.5% | 87.3% | 1.6% | 1,352 |
| Republic Airways | 76.2% | 75.5% | 2.0% | 1,021 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of HHH
On-time departures by day, 24 months.
Best month to fly out of HHH
On-time departures by month, 24 months.
Holiday travel at Hilton Head (HHH)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 73.9% | -8.0 pts | 0.0% | 46 |
| Christmas & New Year (Dec 20 - Jan 3) | 78.8% | -3.1 pts | 1.2% | 86 |
| Summer peak (Jun 15 - Aug 15) | 75.7% | -6.3 pts | 3.0% | 1,128 |
| All other days | 81.9% | — | 2.1% | 3,147 |
Monthly on-time departure trend at HHH
On-time departure % each month, with the 12-month US average for reference.
Routes from Hilton Head (HHH)
Every route from HHH with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| HHH → Charlotte (CLT) | 88.4% | 1.6% | 1,164 |
| HHH → Washington (DCA) | 81.6% | 2.1% | 330 |
| HHH → Chicago (ORD) | 67.0% | 2.3% | 214 |
| HHH → Newark (EWR) | 80.7% | 1.9% | 211 |
| HHH → Atlanta (ATL) | 84.3% | 0.0% | 197 |
| HHH → New York (LGA) | 66.9% | 2.0% | 197 |