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Flight Reliability

AS 1315 · Alaska Airlines

Los Angeles → Portland (LAX–PDX)

92
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
4 min early
Average arrival delay
1.4%
Cancelled
12 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

What the data says

Skip Wednesday if you can.

AS 1315 arrived on time 96% of the time on Sundays. On Wednesdays: 87%.

A bit ahead of the LAX–PDX route.

AS 1315 arrived on time 90% of the time, versus 86% across the LAX–PDX route.

Better than the Alaska Airlines network average.

AS 1315 arrived on time 90% of the time, versus 80% across the Alaska Airlines network.

Ticking up lately.

AS 1315 arrived on time 92% of the time over the last three months in the data, compared with 88% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(51 flights)
  • Tue92%(51 flights)
  • Wed87%(52 flights)
  • Thu89%(52 flights)
  • Fri88%(48 flights)
  • Sat89%(45 flights)
  • Sun96%(47 flights)
On-time trend by month
97%
May

Jun 81% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202581%26
July 202584%31
August 202587%31
September 202593%30
October 2025100%31
November 202593%27
December 202589%28
January 2026100%29
February 202675%28
March 202689%27
April 202689%27
May 202697%31
Departures on time
88%
Diverted
0%
Flights flown
346
Months covered
12

Same route, other flights

Keep nerding

Based on 351 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.