Southwest Airlines LAX to SLC on-time performance
Southwest Airlines nonstop flights from Los Angeles to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.5%
2 flights
Avg arrival delay
9 min
44 min when late
Rank on route
#6 of 6
route average 88% on time
Key facts
- Southwest Airlines flights on LAX to SLC arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 4% arrived an hour or more late.
- That ranks #6 of 6 airlines on this route, which averaged 88% on time overall.
- The largest source of delay minutes was late-arriving aircraft (57%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft57%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion7%
- Extreme weather0%
- Security0%
Other airlines on LAX to SLC
- Delta Air Lines89% on time · 10 min avg delay
- SkyWest Airlines89% on time · 9 min avg delay
- Frontier Airlines85% on time · 13 min avg delay
- United Airlines89% on time · 8 min avg delay
- Spirit Airlines91% on time · 4 min avg delay
Full LAX to SLC comparison →
Southwest Airlines on-time record across all routes →
374 Southwest Airlines flights tracked on this route; 2 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.