Hilton Head Airport (HHH): Delays & On-Time Performance
Data through July 2026
Hilton Head Airport (HHH) is a tale of two seasons: departures ran 90% on-time in September 2025 but sank to 73% in May 2025. Across the year it averages 80% against a national 78%, over roughly 7 departures a day to 8 destinations.
- Departures on-time
- 80%
- left <15 min late
- Avg dep delay
- 20 min
- Arrivals on-time
- 82%
- Cancelled
- 2.3%
- Destinations
- 8
- nonstop
- Airlines
- 2
Plan your departure from HHH
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 10 a.m.
- 88% on-time
- Best day to fly
- Tuesday
- 83% on-time
- Cancellation risk
- 2.3%
- above the US average
Monthly on-time trend
Best time of day to depart from HHH
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 22 min |
| Tuesdaybest | 83% | 13 min |
| Wednesday | 81% | 16 min |
| Thursday | 78% | 21 min |
| Friday | 80% | 16 min |
| Saturday | 73% | 32 min |
| Sunday | 77% | 17 min |
Busiest routes from HHH
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| HHH → CLT (Charlotte) | 1,164 | 83% | 13 min |
| HHH → DCA (Washington) | 330 | 81% | 17 min |
| HHH → ORD (Chicago) | 214 | 66% | 34 min |
| HHH → EWR (Newark) | 211 | 77% | 22 min |
| HHH → ATL (Atlanta) | 197 | 86% | 14 min |
| HHH → LGA (New York) | 197 | 62% | 54 min |
Where flights into HHH come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| CLT (Charlotte) → HHH | 1,164 | 82% | 10 min |
| DCA (Washington) → HHH | 330 | 85% | 10 min |
| ORD (Chicago) → HHH | 214 | 80% | 12 min |
| EWR (Newark) → HHH | 211 | 84% | 9 min |
| LGA (New York) → HHH | 197 | 89% | 6 min |
| ATL (Atlanta) → HHH | 197 | 80% | 21 min |
What causes delays at HHH
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing HHH.
- Late-arriving aircraft35%
- Airline operations33%
- National airspace system23%
- Weather9%
Alternative airports near Hilton Head
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| SAV — Savannah Hilton Head International Airport | 30 mi | 79% | 19 min |
| CHS — Charleston International Airport | 60 mi | 80% | 18 min |
| AGS — Augusta Regional At Bush Field | 108 mi | 78% | 23 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at HHH
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Envoy Air | 82% | 14 min | 2,647 |
| Republic Airways | 77% | 27 min | 1,998 |
Frequently asked questions
- How often are flights delayed at HHH?
- 20% of departures from Hilton Head Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 20 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from HHH?
- Flights scheduled around 10 a.m. depart on time 88% of the time at HHH, versus 65% around 4 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at HHH?
- In this dataset, May 2025 was the weakest month at HHH, with 73% of departures on time.
- How often are flights cancelled at HHH?
- 2.3% of scheduled departures from HHH were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 4,645 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.