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Flight Reliability

AS 356 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 356 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

90%
Arrive within 15 minutes
12 min early
Average arrival delay
0%
Cancelled
15 min early
Median arrival delay

Based on 171 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(28 flights)
  • Tue91%(23 flights)
  • Wed91%(22 flights)
  • Thu85%(27 flights)
  • Fri85%(27 flights)
  • Sat100%(20 flights)
  • Sun88%(24 flights)
On-time by departure window
  • 6–9 AM90%(151 flights)
  • 6–9 PM90%(19 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
90%
May

Jun 97% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
November 202592%26
December 202590%31
March 202686%21
April 202691%21
May 202690%19
Departures on time
88%
Diverted
0%
Flights flown
171
Months covered
10

Keep nerding

Based on 171 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.