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Flight Reliability

AS 1031 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1031 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
7 min
Average arrival delay
2.3%
Cancelled
3 min
Median arrival delay

Based on 261 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(40 flights)
  • Tue70%(30 flights)
  • Wed71%(31 flights)
  • Thu63%(41 flights)
  • Fri68%(38 flights)
  • Sat71%(34 flights)
  • Sun73%(41 flights)
On-time by departure window
  • 6–9 AM70%(30 flights)
  • 9 AM–12 PM71%(112 flights)
  • 6–9 PM72%(113 flights)
On-time trend by month
65%
May

Jun 63% → May 65% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%19
July 202564%28
August 202569%26
September 202588%17
October 202578%23
January 202679%29
February 202686%28
March 202652%29
April 202672%25
May 202665%31
Departures on time
75%
Diverted
0%
Flights flown
255
Months covered
10

Keep nerding

Based on 261 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.