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Flight Reliability

AS 3331 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3331 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

83%
Arrive within 15 minutes
2 min
Average arrival delay
1.5%
Cancelled
6 min early
Median arrival delay

Based on 205 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon79%(28 flights)
  • Tue90%(29 flights)
  • Wed97%(31 flights)
  • Thu85%(27 flights)
  • Fri72%(29 flights)
  • Sat89%(28 flights)
  • Sun66%(29 flights)
On-time by departure window
  • 6–9 PM84%(123 flights)
  • 9 PM–12 AM81%(78 flights)
On-time trend by month
79%
May

Jun 80% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202579%29
August 202584%31
September 202593%30
December 202575%16
January 202683%23
February 202691%11
May 202679%19
Departures on time
79%
Diverted
0.5%
Flights flown
201
Months covered
10

Keep nerding

Based on 205 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.