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Flight Reliability

AS 1150 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1150 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

76%
Arrive within 15 minutes
10 min
Average arrival delay
1.3%
Cancelled
1 min
Median arrival delay

Based on 398 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon71%(61 flights)
  • Tue90%(39 flights)
  • Wed77%(39 flights)
  • Thu73%(63 flights)
  • Fri73%(63 flights)
  • Sat77%(64 flights)
  • Sun75%(63 flights)
On-time by departure window
  • 9 AM–12 PM85%(150 flights)
  • 12–3 PM71%(122 flights)
  • 3–6 PM69%(120 flights)
On-time trend by month
94%
May

Jun 58% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202558%52
July 202563%57
August 202564%56
September 2025100%42
October 202571%35
January 202684%31
February 202682%27
March 202674%31
April 202690%30
May 202694%31
Departures on time
78%
Diverted
0.3%
Flights flown
392
Months covered
10

Keep nerding

Based on 398 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.