United Airlines SFO to LAX on-time performance
United Airlines nonstop flights from San Francisco to Los Angeles · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.3%
10 flights
Avg arrival delay
11 min
47 min when late
Rank on route
#1 of 8
route average 73% on time
Key facts
- United Airlines flights on SFO to LAX arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- That ranks #1 of 8 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion21%
- Extreme weather0%
- Security0%
Other airlines on SFO to LAX
- SkyWest Airlines75% on time · 16 min avg delay
- Delta Air Lines72% on time · 19 min avg delay
- Southwest Airlines60% on time · 25 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 →
United Airlines on-time record across all routes →
3,297 United Airlines flights tracked on this route; 10 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.