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Flight Reliability

AS 3444 · Alaska Airlines

San Diego → SBP (SAN–SBP)84% of its flights flew this route. The rest (LAX–EUG, SFO–SNA) are included in these numbers.

51
A Little Dicey
WanderNerd Reliability Score
81%
Arrive within 15 minutes
3 min
Average arrival delay
8.5%
Cancelled
6 min early
Median arrival delay

Based on 260 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

AS 3444 departing between 3–6 PM arrived on time 93% of the time, versus 74% between 9 PM–12 AM.

Thursdays have been rough.

AS 3444 arrived on time 97% of the time on Wednesdays and just 61% on Thursdays. That gap is worth planning around.

A bit ahead of the SAN–SBP route.

AS 3444 arrived on time 81% of the time, versus 75% across the SAN–SBP route.

Keep a backup plan handy.

AS 3444 was cancelled 8.5% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon77%(34 flights)
  • Tue87%(30 flights)
  • Wed97%(34 flights)
  • Thu61%(33 flights)
  • Fri77%(35 flights)
  • Sat94%(31 flights)
  • Sun79%(38 flights)
On-time by departure window
  • 9 AM–12 PM88%(42 flights)
  • 3–6 PM93%(43 flights)
  • 6–9 PM90%(19 flights)
  • 9 PM–12 AM74%(131 flights)
On-time trend by month
87%
May

Jun 62% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%29
July 202570%27
August 202597%29
September 202589%28
October 202576%25
November 202587%23
December 202564%11
April 202691%21
May 202687%30
Departures on time
77%
Diverted
1.2%
Flights flown
235
Months covered
11

Same route, other flights

Keep nerding

Based on 260 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.