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Flight Reliability

AS 315 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 315 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

82%
Arrive within 15 minutes
1 min early
Average arrival delay
1.0%
Cancelled
7 min early
Median arrival delay

Based on 310 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon84%(49 flights)
  • Tue86%(42 flights)
  • Wed78%(41 flights)
  • Thu81%(47 flights)
  • Fri83%(48 flights)
  • Sat77%(39 flights)
  • Sun85%(41 flights)
On-time by departure window
  • 9 AM–12 PM94%(168 flights)
  • 12–3 PM97%(35 flights)
  • 3–6 PM73%(11 flights)
  • 9 PM–12 AM57%(93 flights)
On-time trend by month
97%
May

Jun 53% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202553%30
August 202564%25
September 202571%17
November 202593%29
December 202596%26
January 202697%29
February 202696%24
March 202689%28
April 202693%30
May 202697%31
Departures on time
81%
Diverted
0%
Flights flown
307
Months covered
12

Keep nerding

Based on 310 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.