Southwest Airlines SJC to LAS on-time performance
Southwest Airlines nonstop flights from San Jose to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.4%
14 flights
Avg arrival delay
12 min
54 min when late
Rank on route
#3 of 5
route average 81% on time
Key facts
- Southwest Airlines flights on SJC to LAS arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (56%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft56%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather1%
- Security0%
Other airlines on SJC to LAS
- Frontier Airlines75% on time · 18 min avg delay
- SkyWest Airlines80% on time · 16 min avg delay
- Spirit Airlines83% on time · 14 min avg delay
- United Airlines100% on time · 3 min avg delay
Full SJC to LAS comparison →
Southwest Airlines on-time record across all routes →
3,247 Southwest Airlines flights tracked on this route; 14 cancelled, 2 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.