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Flight Reliability

AS 3300 · Alaska Airlines

San Diego → Austin (SAN–AUS)97% of its flights flew this route. The rest (PSP–SEA) are included in these numbers.

87
Pretty Reliable
WanderNerd Reliability Score
84%
Arrive within 15 minutes
1 min
Average arrival delay
0.9%
Cancelled
7 min early
Median arrival delay

Based on 318 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 86% of the time, against 82% between 9 AM–12 PM.

Friday is doing you no favors.

AS 3300 arrived on time 92% of the time on Tuesdays and just 74% on Fridays. That gap is worth planning around.

Better than the SAN–AUS route average.

AS 3300 arrived on time 84% of the time, versus 75% across the SAN–AUS route.

A bit ahead of the Alaska Airlines network.

AS 3300 arrived on time 84% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon88%(49 flights)
  • Tue92%(50 flights)
  • Wed85%(40 flights)
  • Thu84%(49 flights)
  • Fri74%(49 flights)
  • Sat82%(34 flights)
  • Sun84%(43 flights)
On-time by departure window
  • 6–9 AM86%(200 flights)
  • 9 AM–12 PM82%(114 flights)
On-time trend by month
83%
May

Jun 78% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202578%27
July 202581%26
August 202582%28
September 202593%30
October 202584%31
November 202577%30
December 202570%27
January 202690%29
February 202693%28
March 202680%25
April 2026100%21
May 202683%12
Departures on time
86%
Diverted
0.3%
Flights flown
314
Months covered
12

Same route, other flights

Keep nerding

Based on 318 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.