Flight Reliability
AS 1275 · Alaska Airlines
Phoenix → San Diego (PHX–SAN)
76
Usually Fine
WanderNerd Reliability Score
- 80%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 3.0%
- Cancelled
- 2 min early
- Median arrival delay
Based on 67 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
AS 1275 arrived on time 100% of the time on Wednesdays and just 80% on Saturdays. That gap is worth planning around.
A bit ahead of the PHX–SAN route.
AS 1275 arrived on time 80% of the time, versus 75% across the PHX–SAN route.
The breakdown
- Mon—(9 flights)
- Tue—(9 flights)
- Wed100%(10 flights)
- Thu—(9 flights)
- Fri—(9 flights)
- Sat80%(10 flights)
- Sun—(9 flights)
79%
Oct
Aug 67% → Oct 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 67% | 12 |
| September 2025 | 86% | 29 |
| October 2025 | 79% | 24 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 65
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 67 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.