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Flight Reliability

AS 1146 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1146 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

67%
Arrive within 15 minutes
13 min
Average arrival delay
3.4%
Cancelled
5 min
Median arrival delay

Based on 291 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon66%(41 flights)
  • Tue80%(40 flights)
  • Wed58%(40 flights)
  • Thu73%(41 flights)
  • Fri55%(42 flights)
  • Sat69%(35 flights)
  • Sun71%(41 flights)
On-time by departure window
  • 12–3 PM—(6 flights)
  • 3–6 PM66%(274 flights)
On-time trend by month
79%
May

Jun 72% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202575%28
August 202555%29
September 202564%28
October 202580%20
January 202665%31
February 202646%28
March 202660%30
April 202679%29
May 202679%28
Departures on time
72%
Diverted
0.3%
Flights flown
280
Months covered
10

Keep nerding

Based on 291 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.