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Route Reliability

San Jose → Kailua-Kona

SJC–KOA · 2,384 miles · San José Mineta International Airport to Ellison Onizuka Kona International Airport

98
Nerd Approved
WanderNerd Reliability Score
93%
Arrive within 15 minutes
14 min early
Average arrival delay
0.7%
Cancelled
146
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 93% of the time across 146 flights. No comparison to make.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 94% of the time, against 90% between 12–3 PM.

Wednesday comes out ahead.

A small edge: 98% on time on Wednesdays against 91% on Mondays.

Flights on this route

The breakdown

On-time by weekday
  • Mon91%(46 flights)
  • Tue—(0 flights)
  • Wed98%(42 flights)
  • Thu—(0 flights)
  • Fri94%(47 flights)
  • Sat—(5 flights)
  • Sun—(5 flights)
On-time by departure window
  • 6–9 AM94%(125 flights)
  • 12–3 PM90%(20 flights)
On-time trend by month
85%
May

Jun 100% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%13
July 202583%12
August 2025100%13
September 2025100%13
October 202593%14
November 2025100%12
December 202593%14
February 202680%10
March 202694%16
April 202692%13
May 202685%13

Same trip, other airports

Keep nerding

Based on 146 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.