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Flight Reliability

AS 3318 · Alaska Airlines

San Francisco → Los Angeles (SFO–LAX)82% of its flights flew this route. The rest (IDA–SEA, SAN–DEN) are included in these numbers.

95
Nerd Approved
WanderNerd Reliability Score
90%
Arrive within 15 minutes
3 min early
Average arrival delay
0.7%
Cancelled
11 min early
Median arrival delay

Based on 295 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

AS 3318 departing between 6–9 AM arrived on time 92% of the time, versus 63% between 3–6 PM.

Friday is doing you no favors.

AS 3318 arrived on time 95% of the time on Wednesdays. On Fridays: 81%.

Better than the SFO–LAX route average.

AS 3318 arrived on time 90% of the time, versus 76% across the SFO–LAX route.

Better than the Alaska Airlines network average.

AS 3318 arrived on time 90% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon91%(44 flights)
  • Tue91%(44 flights)
  • Wed95%(38 flights)
  • Thu90%(40 flights)
  • Fri81%(43 flights)
  • Sat91%(42 flights)
  • Sun91%(42 flights)
On-time by departure window
  • 6–9 AM92%(183 flights)
  • 9 AM–12 PM90%(91 flights)
  • 3–6 PM63%(19 flights)
On-time trend by month
63%
May

Jun 88% → May 63% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202588%25
July 202587%31
August 202587%31
September 202590%30
October 202597%29
November 202593%29
December 2025100%28
February 2026100%15
March 202697%30
April 202681%21
May 202663%19
Departures on time
93%
Diverted
0%
Flights flown
293
Months covered
12

Same route, other flights

Keep nerding

Based on 295 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.