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Flight Reliability

AS 818 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 818 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

63%
Arrive within 15 minutes
17 min
Average arrival delay
0.7%
Cancelled
7 min
Median arrival delay

Based on 290 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon52%(42 flights)
  • Tue62%(39 flights)
  • Wed79%(42 flights)
  • Thu63%(41 flights)
  • Fri61%(41 flights)
  • Sat62%(42 flights)
  • Sun61%(41 flights)
On-time by departure window
  • 9 AM–12 PM53%(134 flights)
  • 12–3 PM—(5 flights)
  • 3–6 PM72%(149 flights)
On-time trend by month
74%
May

Jun 65% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%23
July 202548%31
August 202542%31
September 202553%30
October 202563%24
January 202680%30
February 202664%28
March 202661%31
April 202679%29
May 202674%31
Departures on time
63%
Diverted
0%
Flights flown
288
Months covered
10

Keep nerding

Based on 290 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.