Southwest Airlines LAS to SAT on-time performance
Southwest Airlines nonstop flights from Las Vegas to San Antonio · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
0.2%
3 flights
Avg arrival delay
15 min
47 min when late
Rank on route
#3 of 3
route average 75% on time
Key facts
- Southwest Airlines flights on LAS to SAT arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 0.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (55%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion10%
- Security0%
- Extreme weather0%
Other airlines on LAS to SAT
- Frontier Airlines82% on time · 12 min avg delay
- Spirit Airlines83% on time · 19 min avg delay
Full LAS to SAT comparison →
Southwest Airlines on-time record across all routes →
1,552 Southwest Airlines flights tracked on this route; 3 cancelled, 5 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.