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Flight Reliability

AS 1316 · Alaska Airlines

Seattle → Los Angeles (SEA–LAX)92% of its flights flew this route. The rest (LAX–STS) are included in these numbers.

93
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
2 min early
Average arrival delay
0.9%
Cancelled
6 min early
Median arrival delay

Based on 226 historical flights. Data through May 2026.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 95% of the time, against 88% between 6–9 AM.

Monday is the weak spot.

AS 1316 arrived on time 94% of the time on Fridays. On Mondays: 82%.

A bit ahead of the SEA–LAX route.

AS 1316 arrived on time 89% of the time, versus 84% across the SEA–LAX route.

Better than the Alaska Airlines network average.

AS 1316 arrived on time 89% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon82%(34 flights)
  • Tue91%(34 flights)
  • Wed92%(24 flights)
  • Thu88%(32 flights)
  • Fri94%(32 flights)
  • Sat88%(33 flights)
  • Sun89%(35 flights)
On-time by departure window
  • 6–9 AM88%(205 flights)
  • 6–9 PM95%(19 flights)
On-time trend by month
95%
May

Jun 93% → May 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%28
July 202592%25
August 202582%17
November 202587%30
December 202574%31
January 202690%31
February 202693%28
May 202695%19
Departures on time
89%
Diverted
0%
Flights flown
224
Months covered
10

Same route, other flights

Keep nerding

Based on 226 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.