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Flight Reliability

AS 3309 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3309 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
3 min
Average arrival delay
0.9%
Cancelled
5 min early
Median arrival delay

Based on 336 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon87%(52 flights)
  • Tue86%(44 flights)
  • Wed93%(44 flights)
  • Thu86%(50 flights)
  • Fri84%(49 flights)
  • Sat89%(44 flights)
  • Sun82%(50 flights)
On-time by departure window
  • 6–9 AM86%(22 flights)
  • 9 AM–12 PM99%(69 flights)
  • 12–3 PM93%(69 flights)
  • 3–6 PM83%(131 flights)
  • 6–9 PM27%(11 flights)
  • 9 PM–12 AM81%(31 flights)
On-time trend by month
92%
May

Jun 75% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%60
July 202595%62
August 202590%62
September 202586%44
October 202592%13
November 202591%11
December 202582%22
March 202675%12
April 202683%29
May 202692%12
Departures on time
88%
Diverted
0%
Flights flown
333
Months covered
11

Based on 336 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.