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Flight Reliability

AS 535 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 535 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
13 min
Average arrival delay
0.8%
Cancelled
0 min
Median arrival delay

Based on 481 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(77 flights)
  • Tue79%(57 flights)
  • Wed73%(67 flights)
  • Thu69%(74 flights)
  • Fri71%(72 flights)
  • Sat71%(59 flights)
  • Sun66%(68 flights)
On-time by departure window
  • 9 AM–12 PM74%(211 flights)
  • 12–3 PM98%(40 flights)
  • 3–6 PM64%(222 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
97%
May

Jun 59% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%46
July 202535%60
August 202570%60
September 202577%60
October 202583%60
November 202574%43
December 202573%62
January 2026100%12
March 202650%12
April 202696%27
May 202697%31
Departures on time
74%
Diverted
0.6%
Flights flown
474
Months covered
12

Keep nerding

Based on 481 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.