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WanderNerd

Flight Reliability

AS 3456 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3456 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
15 min
Average arrival delay
0.8%
Cancelled
0 min
Median arrival delay

Based on 258 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon81%(36 flights)
  • Tue78%(40 flights)
  • Wed97%(36 flights)
  • Thu76%(37 flights)
  • Fri72%(36 flights)
  • Sat74%(35 flights)
  • Sun67%(36 flights)
On-time by departure window
  • 6–9 AM95%(56 flights)
  • 9 AM–12 PM74%(69 flights)
  • 12–3 PM73%(69 flights)
  • 3–6 PM73%(60 flights)
  • 6–9 PM(2 flights)
On-time trend by month
66%
Dec

Jun 76% → Dec 66% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%49
July 202579%62
August 202574%50
September 202593%30
October 202582%11
November 202585%20
December 202566%29
Departures on time
77%
Diverted
0%
Flights flown
256
Months covered
8

Based on 258 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.