Southwest Airlines SAN to LAS on-time performance
Southwest Airlines nonstop flights from San Diego to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
74%
arrived < 15 min late
Cancelled
1.3%
50 flights
Avg arrival delay
15 min
52 min when late
Rank on route
#3 of 4
route average 75% on time
Key facts
- Southwest Airlines flights on SAN to LAS arrived on time 74% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 7% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (63%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft63%
- Air traffic control & airport congestion19%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather2%
- Security0%
Other airlines on SAN to LAS
- SkyWest Airlines79% on time · 14 min avg delay
- Frontier Airlines66% on time · 35 min avg delay
- Spirit Airlines85% on time · 11 min avg delay
Full SAN to LAS comparison →
Southwest Airlines on-time record across all routes →
3,747 Southwest Airlines flights tracked on this route; 50 cancelled, 3 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.