Ellison Onizuka Kona International Airport at Keāhole (KOA) delays & on-time performance
Kona, Hawaii · 17 nonstop destinations · 6 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at KOA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
86%
arrived < 15 min late
Cancelled
1.1%
180 flights
Avg arrival delay
9 min
54 min when late
Departed on time
87%
avg taxi-out 13 min
Figures cover 16,052 departures from KOA; on-time is measured at arrival. Arrivals into KOA were on time 84% of the time.
Key facts
- Flights departing Ellison Onizuka Kona International Airport at Keāhole (KOA) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.1% were cancelled, and 3% arrived an hour or more late.
- Southwest Airlines was the most punctual airline here (94% on time); Alaska Airlines was the least (80%).
- Departures scheduled around 6am did best (94% on time); around 12pm did worst (76%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Most delayed routes from KOA
Lowest on-time arrival rates among regularly flown routes.
- SAN · San Diego75%364 flts
- PDX · Portland81%365 flts
- SFO · San Francisco84%1,150 flts
- HNL · Honolulu85%7,236 flts
- LAX · Los Angeles87%1,607 flts
- SEA · Seattle87%1,422 flts
- OGG · Kahului87%1,460 flts
- SMF · Sacramento89%521 flts
- DEN · Denver91%370 flts
- LIH · Lihue93%365 flts
Most reliable routes from KOA
Highest on-time arrival rates among regularly flown routes.
- LAS · Las Vegas95%365 flts
- PHX · Phoenix94%384 flts
- LIH · Lihue93%365 flts
- DEN · Denver91%370 flts
- SMF · Sacramento89%521 flts
- OGG · Kahului87%1,460 flts
- SEA · Seattle87%1,422 flts
- LAX · Los Angeles87%1,607 flts
- HNL · Honolulu85%7,236 flts
- SFO · San Francisco84%1,150 flts
Best airline at KOA
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 94% | 0.7% | 4 min | 5 | 2,888 |
| United Airlines | 89% | 1.1% | 9 min | 4 | 1,801 |
| Delta Air Lines | 88% | 2.9% | 6 min | 3 | 826 |
| American Airlines | 88% | 1.2% | 15 min | 3 | 856 |
| Hawaiian Airlines | 88% | 0.7% | 7 min | 4 | 2,913 |
| Alaska Airlines | 80% | 1.3% | 12 min | 11 | 6,768 |
Best time to fly out of KOA
On-time arrival rate by scheduled departure hour (local time).
- 6am94%671 flts
- 7am95%279 flts
- 8am93%1,425 flts
- 9am90%585 flts
- 10am88%1,023 flts
- 11am85%1,382 flts
- 12pm76%867 flts
- 1pm82%1,754 flts
- 2pm76%1,009 flts
- 3pm82%1,364 flts
- 4pm82%644 flts
- 5pm81%595 flts
- 6pm81%546 flts
- 7pm86%866 flts
- 8pm93%910 flts
- 9pm90%1,365 flts
- 10pm90%596 flts
- 11pm87%163 flts
Monthly trend
Why departures were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion13%
- Extreme weather5%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.