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Flight Reliability

AS 819 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 819 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

64%
Arrive within 15 minutes
15 min
Average arrival delay
0.7%
Cancelled
3 min
Median arrival delay

Based on 287 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon70%(40 flights)
  • Tue75%(40 flights)
  • Wed74%(39 flights)
  • Thu56%(41 flights)
  • Fri60%(42 flights)
  • Sat55%(42 flights)
  • Sun58%(40 flights)
On-time by departure window
  • 6–9 AM75%(150 flights)
  • 9 AM–12 PM—(1 flights)
  • 6–9 PM52%(133 flights)
On-time trend by month
90%
May

Jun 37% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202537%19
July 202541%29
August 202561%31
September 202563%30
October 202550%24
January 202671%31
February 202679%28
March 202671%31
April 202660%30
May 202690%31
Departures on time
72%
Diverted
0.3%
Flights flown
284
Months covered
10

Keep nerding

Based on 287 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.