ORD to KOA flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Ellison Onizuka Kona International Airport at Keāhole · 4,213 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or KOA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Kona (KOA) arrived on time 56% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 5.9% were cancelled, and 19% arrived an hour or more late.
- United Airlines is the only airline reporting nonstop flights on this route.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (66%).
Which airline is most on time from ORD to KOA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 56% | 5.9% | 31 min | 18.8% | 17 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Saturday56%5.9% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)66%
- Late-arriving aircraft19%
- Air traffic control & airport congestion8%
- Extreme weather7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
ORD to KOA: common questions
- How often are ORD to KOA flights on time?
- 56% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Chicago to Kona cancelled?
- 5.9% of scheduled flights were cancelled (1 of 17).
- How long are typical delays?
- Across all flights the average arrival delay was 31 min (early arrivals count as zero). Flights that were late arrived 66 min behind schedule on average, and 18.8% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 29 min taxiing from the gate to takeoff on average.
Related routes
Return trip: KOA to ORD — 69% on time
More flights from Chicago
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → KOA, nonstop flights by US airlines that report to the DOT. How we calculate this.