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Flight Reliability

AS 3452 · Alaska Airlines

San Francisco → San Diego (SFO–SAN)96% of its flights flew this route. The rest (HDN–SAN) are included in these numbers.

62
A Little Dicey
WanderNerd Reliability Score
65%
Arrive within 15 minutes
15 min
Average arrival delay
2.2%
Cancelled
7 min
Median arrival delay

Based on 186 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 67% of the time, against 63% between 9 PM–12 AM.

Mondays have been rough.

AS 3452 arrived on time 76% of the time on Saturdays and just 50% on Mondays. That gap is worth planning around.

A bit behind the SFO–SAN route.

AS 3452 arrived on time 65% of the time, versus 69% across the SFO–SAN route.

Lagging the Alaska Airlines network.

AS 3452 arrived on time 65% of the time, versus 80% across the Alaska Airlines network.

The breakdown

On-time by weekday
  • Mon50%(28 flights)
  • Tue68%(19 flights)
  • Wed70%(20 flights)
  • Thu69%(32 flights)
  • Fri74%(31 flights)
  • Sat76%(21 flights)
  • Sun55%(31 flights)
On-time by departure window
  • 3–6 PM—(7 flights)
  • 6–9 PM67%(97 flights)
  • 9 PM–12 AM63%(78 flights)
On-time trend by month
50%
Apr

Jun 77% → Apr 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202577%30
July 202566%29
August 202565%31
September 202569%29
November 202563%19
March 202658%12
April 202650%12
Departures on time
74%
Diverted
0%
Flights flown
182
Months covered
11

Same route, other flights

Keep nerding

Based on 186 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.