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Flight Reliability

AS 2023 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2023 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
11 min
Average arrival delay
3.8%
Cancelled
3 min early
Median arrival delay

Based on 266 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(35 flights)
  • Tue78%(36 flights)
  • Wed83%(36 flights)
  • Thu62%(34 flights)
  • Fri70%(43 flights)
  • Sat86%(35 flights)
  • Sun73%(37 flights)
On-time by departure window
  • 12–3 PM81%(16 flights)
  • 3–6 PM82%(119 flights)
  • 9 PM–12 AM69%(121 flights)
On-time trend by month
47%
Apr

Jun 85% → Apr 47% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%41
July 202573%30
August 202591%22
October 202579%29
November 202546%26
December 202573%26
January 202689%27
February 202677%17
March 202686%14
April 202647%15
Departures on time
75%
Diverted
0%
Flights flown
256
Months covered
11

Keep nerding

Based on 266 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.