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WanderNerd

Flight Reliability

AS 3391 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3391 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

76%
Arrive within 15 minutes
12 min
Average arrival delay
0%
Cancelled
5 min early
Median arrival delay

Based on 179 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon77%(26 flights)
  • Tue84%(25 flights)
  • Wed68%(25 flights)
  • Thu64%(25 flights)
  • Fri77%(26 flights)
  • Sat86%(22 flights)
  • Sun76%(29 flights)
On-time by departure window
  • 12–3 PM82%(28 flights)
  • 3–6 PM73%(116 flights)
  • 9 PM–12 AM79%(34 flights)
On-time trend by month
76%
May

Jun 86% → May 76% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%28
July 202571%31
August 202584%19
November 202579%28
December 202565%23
May 202676%29
Departures on time
77%
Diverted
0.6%
Flights flown
178
Months covered
9

Based on 179 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.