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Flight Reliability

AS 959 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 959 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

76%
Arrive within 15 minutes
9 min
Average arrival delay
1.3%
Cancelled
1 min
Median arrival delay

Based on 297 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon73%(41 flights)
  • Tue86%(42 flights)
  • Wed86%(42 flights)
  • Thu74%(42 flights)
  • Fri76%(42 flights)
  • Sat67%(43 flights)
  • Sun68%(41 flights)
On-time by departure window
  • 6–9 AM85%(54 flights)
  • 9 AM–12 PM83%(95 flights)
  • 9 PM–12 AM67%(144 flights)
On-time trend by month
90%
May

Jun 60% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202548%29
August 202555%31
September 202590%30
October 202588%24
January 202687%31
February 202682%28
March 202676%29
April 202683%30
May 202690%31
Departures on time
77%
Diverted
0%
Flights flown
293
Months covered
10

Keep nerding

Based on 297 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.