Southwest Airlines SJC to LAX on-time performance
Southwest Airlines nonstop flights from San Jose to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.5%
10 flights
Avg arrival delay
11 min
46 min when late
Rank on route
#4 of 6
route average 86% on time
Key facts
- Southwest Airlines flights on SJC to LAX arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0.5% 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 (66%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft66%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion12%
- Security0%
- Extreme weather0%
Other airlines on SJC to LAX
- SkyWest Airlines92% on time · 6 min avg delay
- Delta Air Lines92% on time · 5 min avg delay
- Frontier Airlines78% on time · 12 min avg delay
- American Airlines67% on time · 10 min avg delay
- United Airlines100% on time · 0 min avg delay
Full SJC to LAX comparison →
Southwest Airlines on-time record across all routes →
1,844 Southwest Airlines flights tracked on this route; 10 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.