Skip to content
WanderNerd

Flight Reliability

AS 1161 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1161 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
8 min
Average arrival delay
0%
Cancelled
2 min
Median arrival delay

Based on 171 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(23 flights)
  • Tue67%(24 flights)
  • Wed92%(24 flights)
  • Thu68%(25 flights)
  • Fri72%(25 flights)
  • Sat80%(25 flights)
  • Sun71%(24 flights)
On-time by departure window
  • 9 AM–12 PM87%(69 flights)
  • 12–3 PM73%(66 flights)
  • 3–6 PM60%(35 flights)
On-time trend by month
57%
Apr

Jun 68% → Apr 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%19
July 202590%31
August 202590%30
September 202577%30
October 202568%25
March 202664%14
April 202657%21
Departures on time
83%
Diverted
0.6%
Flights flown
170
Months covered
7

Based on 171 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.