Denver (DEN) to Kona (KOA): On-Time Performance
Data through July 2026
When you fly DEN to KOA matters as much as anything else about the booking: the route swung from 97% on-time in January 2025 to just 71% in December 2025. Across the full period the route averages 84% on-time against a national 78%.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 1.0
- last 12 months
- Duration
- 7h 21m
- scheduled
- Distance
- 3,329 mi
Monthly on-time trend
Best time to fly from DEN to KOA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 12 min |
| Tuesday | 86% | 10 min |
| Wednesday | 82% | 16 min |
| Thursdaybest | 88% | 12 min |
| Friday | 82% | 13 min |
| Saturday | 79% | 16 min |
| Sunday | 87% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft45%
- Airline operations39%
- National airspace system13%
- Weather3%
Frequently asked questions
- How often are flights from DEN to KOA delayed?
- 16% of DEN–KOA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- How long is the flight from DEN to KOA?
- The scheduled DEN–KOA flight time averages 7h 21m over 3,329 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are DEN to KOA flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to KOA?
- December 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was January 2025 at 97%. If your dates are flexible, that 26-point gap is worth planning around.
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Based on 766 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.