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Flight Reliability

AS 1176 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 1176 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

78%
Arrive within 15 minutes
10 min
Average arrival delay
1.9%
Cancelled
1 min
Median arrival delay

Based on 215 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(33 flights)
  • Tue89%(28 flights)
  • Wed84%(32 flights)
  • Thu62%(34 flights)
  • Fri75%(36 flights)
  • Sat86%(14 flights)
  • Sun77%(34 flights)
On-time trend by month
93%
May

Jun 84% → May 93% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%19
July 202577%30
August 202582%28
September 202576%21
January 202660%25
February 202665%23
March 202687%15
April 202690%19
May 202693%28
Departures on time
78%
Diverted
0%
Flights flown
211
Months covered
10

Keep nerding

Based on 215 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.