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WanderNerd

Flight Reliability

AS 3387 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 3387 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
0 min
Average arrival delay
1.0%
Cancelled
10 min early
Median arrival delay

Based on 203 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon82%(28 flights)
  • Tue96%(28 flights)
  • Wed90%(30 flights)
  • Thu87%(30 flights)
  • Fri72%(29 flights)
  • Sat89%(27 flights)
  • Sun90%(29 flights)
On-time by departure window
  • 3–6 AM96%(79 flights)
  • 6–9 AM(1 flights)
  • 12–3 PM52%(23 flights)
  • 6–9 PM87%(31 flights)
  • 9 PM–12 AM87%(67 flights)
On-time trend by month
59%
Apr

Jun 97% → Apr 59% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202597%30
August 202594%31
September 202590%30
October 202580%25
December 202579%14
April 202659%29
Departures on time
87%
Diverted
0%
Flights flown
201
Months covered
10

Based on 203 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.