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Flight Reliability

AS 3423 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3423 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

87%
Arrive within 15 minutes
6 min early
Average arrival delay
0%
Cancelled
11 min early
Median arrival delay

Based on 102 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(15 flights)
  • Tue100%(16 flights)
  • Wed79%(14 flights)
  • Thu79%(14 flights)
  • Fri81%(16 flights)
  • Sat91%(11 flights)
  • Sun88%(16 flights)
On-time by departure window
  • 6–9 AM84%(31 flights)
  • 9 AM–12 PM—(6 flights)
  • 12–3 PM89%(18 flights)
  • 3–6 PM87%(47 flights)
On-time trend by month
92%
May

Oct 76% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 202576%21
December 202588%16
February 202690%10
March 2026100%10
May 202692%24
Departures on time
91%
Diverted
0%
Flights flown
102
Months covered
8

Keep nerding

Based on 102 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.