Southwest Airlines LAX to SJC on-time performance
Southwest Airlines nonstop flights from Los Angeles to San Jose · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.8%
14 flights
Avg arrival delay
10 min
50 min when late
Rank on route
#4 of 6
route average 86% on time
Key facts
- Southwest Airlines flights on LAX to SJC arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 5% arrived an hour or more late.
- That ranks #4 of 6 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was late-arriving aircraft (71%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft71%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion2%
- Security0%
- Extreme weather0%
Other airlines on LAX to SJC
- SkyWest Airlines91% on time · 6 min avg delay
- Delta Air Lines87% on time · 8 min avg delay
- Frontier Airlines81% on time · 11 min avg delay
- American Airlines67% on time · 13 min avg delay
- United Airlines100% on time · 0 min avg delay
Full LAX to SJC comparison →
Southwest Airlines on-time record across all routes →
1,844 Southwest Airlines flights tracked on this route; 14 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.