Best Time to Fly HHH to ATL: On-Time Stats by Hour & Airline
Hilton Head Airport → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
197 flights were scheduled from Hilton Head (HHH) to Atlanta (ATL) in the last 12 months, and 84.3% of those that flew arrived on time, 6.6 points above the US average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
October has been the best month (94% on time) and Saturday the weakest day of the week (75%).
0.0% of flights were cancelled, versus 1.8% nationally.
HHH to ATL 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 | 84.3% | 109 min | 0.0% | 197 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HHH to ATL
On-time arrival % by scheduled departure hour (local time), 393 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12pm–1pm | 86.3% | 0.9% | 348 |
| 1pm–2pm | 86.7% | 0.0% | 45 |
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 ATL
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) | 81.8% | -6.6 pts | 1.6% | 123 |
| All other days | 88.4% | — | 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).