Alaska Airlines SJC to SAN on-time performance
Alaska Airlines nonstop flights from San Jose to San Diego · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
9 min
49 min when late
Rank on route
#1 of 4
route average 71% on time
Key facts
- Alaska Airlines flights on SJC to SAN arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (50%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)50%
- Late-arriving aircraft0%
- Extreme weather0%
- Security0%
Other airlines on SJC to SAN
- Southwest Airlines69% on time · 16 min avg delay
- SkyWest Airlines75% on time · 13 min avg delay
- Spirit Airlines43% on time · 23 min avg delay
Full SJC to SAN comparison →
Alaska Airlines on-time record across all routes →
80 Alaska Airlines flights tracked on this route; 0 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.