Best Time to Fly EWR to HHH: On-Time Stats by Hour & Airline
Newark Liberty International → Hilton Head Airport
Data through July 2026 · Last updated October 18, 2026
211 flights were scheduled from Newark (EWR) to Hilton Head (HHH) in the last 12 months, and 80.6% of those that flew arrived on time, 3.0 points above the US average of 77.6%.
Republic Airways was the only reporting airline with regular flights on this route.
Over 24 months, Sunday was the most reliable day (90% on time) and October the worst month (73%).
The cancellation rate was 1.4% (US average 1.8%).
EWR 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 | 80.6% | 47 min | 1.4% | 211 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to HHH
On-time arrival % by scheduled departure hour (local time), 426 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 89.7% | 3.7% | 81 |
| 9am–10am | 83.1% | 0.6% | 163 |
| 10am–11am | 87.0% | 4.2% | 72 |
| 11am–12pm | Limited data | 4 | |
| 1pm–2pm | 80.4% | 3.8% | 106 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR 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) | 84.9% | +0.9 pts | 3.2% | 124 |
| All other days | 84.0% | — | 2.3% | 302 |
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).