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Route Reliability

Kailua-Kona → San Diego

KOA–SAN · 2,556 miles · Ellison Onizuka Kona International Airport to San Diego International Airport

73
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
8 min
Average arrival delay
0.5%
Cancelled
364
Flights in the data

Data through May 2026.

Alaska Airlines is the only airline in this data on this route, arriving on time 72% of the time across 364 flights. No comparison to make.

What the data says

Morning flights do better here.

KOA–SAN flights departing between 9 AM–12 PM arrived on time 80% of the time, versus 63% between 12–3 PM.

Friday is doing you no favors.

KOA–SAN flights arrived on time 80% of the time on Tuesdays and just 61% on Fridays. That gap is worth planning around.

Trending in the right direction.

KOA–SAN flights arrived on time 76% of the time over the last three months in the data, compared with 64% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon75%(52 flights)
  • Tue80%(51 flights)
  • Wed73%(51 flights)
  • Thu74%(49 flights)
  • Fri61%(51 flights)
  • Sat71%(51 flights)
  • Sun68%(53 flights)
On-time by departure window
  • 9 AM–12 PM80%(183 flights)
  • 12–3 PM63%(175 flights)
On-time trend by month
81%
May

Jun 73% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202573%30
July 202574%31
August 202577%31
September 202593%29
October 202552%29
November 202569%29
December 202563%30
January 202653%30
February 202675%28
March 202661%31
April 202686%29
May 202681%31

Keep nerding

Based on 364 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.