Best Time to Fly ATL to HHH: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Hilton Head Airport
Data through July 2026 · Last updated October 18, 2026
197 flights were scheduled from Atlanta (ATL) to Hilton Head (HHH) in the last 12 months, and 80.3% of those that flew arrived on time, 2.7 points above the US average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
Over 24 months, Thursday was the most reliable day (87% on time) and July the worst month (67%).
The cancellation rate was 0.0% (US average 1.8%).
ATL to HHH 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 |
|---|---|---|---|---|
| Republic Airways | 80.3% | 111 min | 0.0% | 197 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to HHH
On-time arrival % by scheduled departure hour (local time), 393 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 2pm–3pm | 80.1% | 0.6% | 349 |
| 3pm–4pm | 95.5% | 0.0% | 44 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to HHH
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Summer peak (Jun 15 - Aug 15) | 73.5% | -12.1 pts | 0.8% | 123 |
| All other days | 85.6% | — | 0.4% | 270 |
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).