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Flight Reliability

AS 371 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 371 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

88%
Arrive within 15 minutes
4 min early
Average arrival delay
0.4%
Cancelled
10 min early
Median arrival delay

Based on 233 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon94%(36 flights)
  • Tue91%(32 flights)
  • Wed91%(33 flights)
  • Thu85%(34 flights)
  • Fri79%(34 flights)
  • Sat89%(26 flights)
  • Sun87%(37 flights)
On-time by departure window
  • 9 AM–12 PM18%(11 flights)
  • 12–3 PM95%(76 flights)
  • 9 PM–12 AM90%(145 flights)
On-time trend by month
90%
May

Jun 18% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202518%11
October 202589%18
November 202589%28
December 202581%31
January 202693%30
February 202696%25
March 202696%28
April 202697%30
May 202690%31
Departures on time
81%
Diverted
0%
Flights flown
232
Months covered
9

Keep nerding

Based on 233 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.