Southwest Airlines SFO to LAX on-time performance
Southwest Airlines nonstop flights from San Francisco to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
60%
arrived < 15 min late
Cancelled
0.6%
9 flights
Avg arrival delay
25 min
60 min when late
Rank on route
#7 of 8
route average 73% on time
Key facts
- Southwest Airlines flights on SFO to LAX arrived on time 60% of the time in Aug 2025 – Jul 2026.
- 0.6% were cancelled, and 14% arrived an hour or more late.
- That ranks #7 of 8 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (74%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft74%
- Airline (crew, maintenance, cleaning, fueling)20%
- Air traffic control & airport congestion6%
- Extreme weather0%
- Security0%
Other airlines on SFO to LAX
- United Airlines78% on time · 11 min avg delay
- SkyWest Airlines75% on time · 16 min avg delay
- Delta Air Lines72% on time · 19 min avg delay
- Alaska Airlines68% on time · 17 min avg delay
- Frontier Airlines68% on time · 27 min avg delay
- American Airlines74% on time · 28 min avg delay
- Envoy Air0% on time · 35 min avg delay
Full SFO to LAX comparison →
Southwest Airlines on-time record across all routes →
1,425 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.