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Flight Reliability

AS 1125 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1125 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

72%
Arrive within 15 minutes
10 min
Average arrival delay
2.6%
Cancelled
4 min
Median arrival delay

Based on 265 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(40 flights)
  • Tue87%(37 flights)
  • Wed69%(39 flights)
  • Thu58%(40 flights)
  • Fri67%(30 flights)
  • Sat66%(29 flights)
  • Sun77%(43 flights)
On-time by departure window
  • 6–9 AM100%(11 flights)
  • 9 AM–12 PM—(6 flights)
  • 12–3 PM68%(142 flights)
  • 3–6 PM73%(99 flights)
On-time trend by month
87%
May

Jun 75% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%24
July 202564%22
August 202568%22
September 202590%29
October 202577%13
January 202671%31
February 202675%28
March 202667%30
April 202648%29
May 202687%30
Departures on time
77%
Diverted
0%
Flights flown
258
Months covered
10

Keep nerding

Based on 265 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.