Southwest Airlines LAS to SJC on-time performance
Southwest Airlines nonstop flights from Las Vegas to San Jose · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.3%
9 flights
Avg arrival delay
12 min
49 min when late
Rank on route
#5 of 5
route average 79% on time
Key facts
- Southwest Airlines flights on LAS to SJC arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was late-arriving aircraft (62%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft62%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion5%
- Extreme weather0%
- Security0%
Other airlines on LAS to SJC
- Frontier Airlines80% on time · 15 min avg delay
- SkyWest Airlines81% on time · 16 min avg delay
- Spirit Airlines83% on time · 8 min avg delay
- United Airlines100% on time · 0 min avg delay
Full LAS to SJC comparison →
Southwest Airlines on-time record across all routes →
3,275 Southwest Airlines flights tracked on this route; 9 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.