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Flight Reliability

AS 2431 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 2431 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

81%
Arrive within 15 minutes
2 min
Average arrival delay
2.2%
Cancelled
6 min early
Median arrival delay

Based on 137 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(20 flights)
  • Tue88%(17 flights)
  • Wed72%(18 flights)
  • Thu90%(20 flights)
  • Fri59%(17 flights)
  • Sat82%(22 flights)
  • Sun95%(20 flights)
On-time by departure window
  • 12–3 PM82%(68 flights)
  • 3–6 PM—(8 flights)
  • 6–9 PM79%(58 flights)
On-time trend by month
82%
May

Jun 84% → May 82% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%19
July 202580%30
August 202584%19
November 202580%20
December 202558%12
May 202682%17
Departures on time
87%
Diverted
0%
Flights flown
134
Months covered
9

Keep nerding

Based on 137 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.