Route
ORD → HHH
Chicago O'Hare International Airport Hilton Head Airport
781 miles
Return route HHH → ORD →
How punctual is this route?
- On-time arrivals
- 82.5%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 272
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 40%
- Late-arriving aircraft 30%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 12%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.0% | 4 |
| October 2025 | 75.0% | 4 |
| November 2025 | 100.0% | 1 |
| March 2026 | 71.4% | 7 |
| April 2026 | 60.0% | 30 |
| May 2026 | 80.0% | 42 |
| June 2026 | 86.7% | 60 |
| July 2026 | 91.8% | 62 |
| August 2026 | 83.6% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Republic Airways | 162 | 79.2% | 0.6% | 66 min |
| Envoy Air | 110 | 87.2% | 0.9% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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