Southwest Airlines LAS to SAN on-time performance
Southwest Airlines nonstop flights from Las Vegas to San Diego · Aug 2025 – Jul 2026
On-time arrivals
61%
arrived < 15 min late
Cancelled
0.9%
35 flights
Avg arrival delay
21 min
49 min when late
Rank on route
#5 of 5
route average 65% on time
Key facts
- Southwest Airlines flights on LAS to SAN arrived on time 61% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 9% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 65% on time overall.
- The largest source of delay minutes was late-arriving aircraft (38%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft38%
- Air traffic control & airport congestion32%
- Airline (crew, maintenance, cleaning, fueling)28%
- Extreme weather1%
- Security0%
Other airlines on LAS to SAN
- SkyWest Airlines74% on time · 17 min avg delay
- Frontier Airlines68% on time · 29 min avg delay
- Spirit Airlines80% on time · 17 min avg delay
- Alaska Airlines100% on time · 3 min avg delay
Full LAS to SAN comparison →
Southwest Airlines on-time record across all routes →
3,765 Southwest Airlines flights tracked on this route; 35 cancelled, 4 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.