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Flight Reliability

AS 1149 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1149 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

86%
Arrive within 15 minutes
1 min
Average arrival delay
0%
Cancelled
2 min early
Median arrival delay

Based on 297 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon86%(42 flights)
  • Tue93%(42 flights)
  • Wed88%(42 flights)
  • Thu93%(42 flights)
  • Fri81%(43 flights)
  • Sat84%(43 flights)
  • Sun77%(43 flights)
On-time by departure window
  • 6–9 AM88%(113 flights)
  • 9 AM–12 PM85%(132 flights)
  • 12–3 PM85%(52 flights)
On-time trend by month
74%
May

Jun 72% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202572%29
July 202597%31
August 202587%31
September 202593%30
October 202584%25
January 202687%31
February 202693%28
March 202684%31
April 202687%30
May 202674%31
Departures on time
89%
Diverted
0%
Flights flown
297
Months covered
10

Keep nerding

Based on 297 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.