Route
ORD → KOA
Chicago O'Hare International Airport Ellison Onizuka Kona International Airport at Keāhole
4,213 miles
Return route KOA → ORD →
How punctual is this route?
- On-time arrivals
- 56.2%
- Less than 15 minutes late
- Cancelled
- 5.9%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 17
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 66%
- Late-arriving aircraft 19%
- Air traffic control & airport 8%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dec 2025
Apr 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| December 2025 | 0.0% | 2 |
| January 2026 | 60.0% | 5 |
| February 2026 | 50.0% | 4 |
| March 2026 | 100.0% | 4 |
| April 2026 | 50.0% | 2 |
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 |
|---|---|---|---|---|
| United Airlines | 17 | 56.2% | 5.9% | 72 min |
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