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Flight Reliability

AS 1157 · Alaska Airlines

Kailua-Kona → Honolulu (KOA–HNL)96% of its flights flew this route. The rest (SAN–SEA) are included in these numbers.

80
Pretty Reliable
WanderNerd Reliability Score
73%
Arrive within 15 minutes
13 min
Average arrival delay
0%
Cancelled
2 min
Median arrival delay

Based on 150 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

AS 1157 arrived on time 91% of the time on Mondays and just 46% on Fridays. That gap is worth planning around.

Lagging the KOA–HNL route.

AS 1157 arrived on time 73% of the time, versus 86% across the KOA–HNL route.

Lagging the Alaska Airlines network.

AS 1157 arrived on time 73% of the time, versus 80% across the Alaska Airlines network.

It basically never cancels.

Out of 150 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon91%(21 flights)
  • Tue67%(21 flights)
  • Wed81%(21 flights)
  • Thu71%(21 flights)
  • Fri46%(22 flights)
  • Sat77%(22 flights)
  • Sun82%(22 flights)
On-time by departure window
  • 12–3 PM—(6 flights)
  • 6–9 PM74%(139 flights)
  • 9 PM–12 AM—(5 flights)
On-time trend by month
71%
May

Jan 70% → May 71% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
January 202670%30
February 202682%28
March 202671%31
April 202671%24
May 202671%31
Departures on time
79%
Diverted
0%
Flights flown
150
Months covered
6

Same route, other flights

Keep nerding

Based on 150 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.