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Flight Reliability

AS 3305 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3305 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

69%
Arrive within 15 minutes
18 min
Average arrival delay
0.7%
Cancelled
1 min
Median arrival delay

Based on 304 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(47 flights)
  • Tue69%(48 flights)
  • Wed69%(48 flights)
  • Thu65%(48 flights)
  • Fri61%(31 flights)
  • Sat69%(39 flights)
  • Sun70%(37 flights)
On-time by departure window
  • 6–9 AM82%(11 flights)
  • 9 AM–12 PM70%(201 flights)
  • 3–6 PM63%(54 flights)
  • 6–9 PM69%(32 flights)
On-time trend by month
19%
May

Jun 78% → May 19% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%41
July 202587%30
August 202574%35
September 202564%44
October 202570%30
November 202571%21
December 202568%28
February 202685%13
March 202693%15
May 202619%27
Departures on time
74%
Diverted
1.3%
Flights flown
298
Months covered
12

Keep nerding

Based on 304 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.