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Route Reliability

Kailua-Kona → Denver

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

90
Nerd Approved
WanderNerd Reliability Score
92%
Arrive within 15 minutes
10 min early
Average arrival delay
1.6%
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 92% of the time across 370 flights. No comparison to make.

What the data says

Skip Thursday if you can.

KOA–DEN flights arrived on time 96% of the time on Tuesdays. On Thursdays: 88%.

Recent months have been rougher.

KOA–DEN flights arrived on time 87% of the time over the last three months in the data, compared with 96% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon94%(50 flights)
  • Tue96%(49 flights)
  • Wed90%(52 flights)
  • Thu88%(51 flights)
  • Fri89%(52 flights)
  • Sat93%(54 flights)
  • Sun93%(53 flights)
On-time by departure window
  • 6–9 PM92%(358 flights)
  • 9 PM–12 AM—(3 flights)
On-time trend by month
100%
May

Jun 87% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202587%30
July 2025100%29
August 202584%31
September 202593%30
October 202597%29
November 202593%30
December 202594%31
January 202697%31
February 202697%29
March 202663%30
April 202697%30
May 2026100%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.