Historical on-time performance
Kona to Denver
3,329 miData through May 2026Source: US DOT · BTS
Flights on KOA–DEN arrive on time 88% of the time over the last 12 months.
On-time rate88%arrived within 15 min
p90 delay10 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 341 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesOn-time88%Medianon timep9010 minCancel1.8%Flights341
Why flights run late
Delay causes
- Airline71%
- Weather0%
- Air traffic (NAS)13%
- Late aircraft15%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline50%
- Weather50%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 6 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly KOA → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 89% to 91% on time.
- Evenings91% on time · p90 5 min · 677 flights
- Overnights89% on time · p90 10 min · 424 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 87% to 93% on time.
- Wednesdays93% on time · p90 5 min · 156 flights · limited
- Mondays92% on time · p90 5 min · 156 flights · limited
- Sundays92% on time · p90 5 min · 157 flights · limited
- Tuesdays90% on time · p90 on time · 156 flights · limited
- Fridays90% on time · p90 15 min · 157 flights · limited
- Saturdays87% on time · p90 15 min · 162 flights · limited
- Thursdays87% on time · p90 10 min · 157 flights · limited
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