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Route Reliability

Denver → Kailua-Kona

DEN–KOA · 3,329 miles · Denver International Airport to Ellison Onizuka Kona International Airport

86
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
1 min
Average arrival delay
0.8%
Cancelled
370
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 84% of the time across 370 flights. No comparison to make.

What the data says

Wednesdays have been rough.

DEN–KOA flights arrived on time 90% of the time on Sundays and just 75% on Wednesdays. That gap is worth planning around.

Flights on this route

The breakdown

On-time by weekday
  • Mon89%(52 flights)
  • Tue84%(51 flights)
  • Wed75%(52 flights)
  • Thu89%(52 flights)
  • Fri82%(51 flights)
  • Sat82%(54 flights)
  • Sun90%(52 flights)
On-time by departure window
  • 12–3 PM85%(360 flights)
  • 3–6 PM—(4 flights)
On-time trend by month
90%
May

Jun 89% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202589%28
July 202577%31
August 202584%31
September 202590%30
October 202590%31
November 202597%30
December 202571%31
January 202694%31
February 202676%29
March 202674%31
April 202680%30
May 202690%31

Keep nerding

Based on 370 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.