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Flight Reliability

AS 2018 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2018 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

71%
Arrive within 15 minutes
14 min
Average arrival delay
1.6%
Cancelled
3 min
Median arrival delay

Based on 250 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(37 flights)
  • Tue76%(33 flights)
  • Wed72%(32 flights)
  • Thu68%(37 flights)
  • Fri68%(38 flights)
  • Sat77%(30 flights)
  • Sun74%(39 flights)
On-time by departure window
  • 12–3 PM76%(186 flights)
  • 3–6 PM58%(59 flights)
  • 6–9 PM—(1 flights)
On-time trend by month
100%
May

Jun 53% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202565%31
August 202565%31
September 202597%30
October 202584%25
November 202540%10
December 202560%15
January 202665%17
March 202671%14
April 202673%26
May 2026100%12
Departures on time
73%
Diverted
0%
Flights flown
246
Months covered
12

Keep nerding

Based on 250 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.