Southwest Airlines SAN to SJC on-time performance
Southwest Airlines nonstop flights from San Diego to San Jose · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
0.7%
28 flights
Avg arrival delay
13 min
48 min when late
Rank on route
#3 of 4
route average 76% on time
Key facts
- Southwest Airlines flights on SAN to SJC arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (73%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft73%
- Airline (crew, maintenance, cleaning, fueling)22%
- Air traffic control & airport congestion4%
- Security0%
- Extreme weather0%
Other airlines on SAN to SJC
- SkyWest Airlines81% on time · 11 min avg delay
- Alaska Airlines78% on time · 8 min avg delay
- Spirit Airlines57% on time · 60 min avg delay
Full SAN to SJC comparison →
Southwest Airlines on-time record across all routes →
3,746 Southwest Airlines flights tracked on this route; 28 cancelled, 3 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.