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Flight Reliability

AS 3434 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3434 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

67%
Arrive within 15 minutes
16 min
Average arrival delay
2.2%
Cancelled
0 min
Median arrival delay

Based on 322 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon68%(50 flights)
  • Tue79%(43 flights)
  • Wed75%(36 flights)
  • Thu55%(51 flights)
  • Fri56%(48 flights)
  • Sat80%(39 flights)
  • Sun62%(42 flights)
On-time by departure window
  • 6–9 AM62%(50 flights)
  • 9 AM–12 PM74%(84 flights)
  • 12–3 PM89%(35 flights)
  • 3–6 PM66%(50 flights)
  • 6–9 PM56%(90 flights)
On-time trend by month
28%
May

Jun 50% → May 28% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%30
July 202558%31
August 202573%30
September 202570%30
October 202555%20
November 202575%20
December 202554%24
January 202679%28
February 202696%24
March 202696%26
April 202661%28
May 202628%18
Departures on time
71%
Diverted
1.9%
Flights flown
309
Months covered
12

Keep nerding

Based on 322 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.