Southwest Airlines LAS to SLC on-time performance
Southwest Airlines nonstop flights from Las Vegas to Salt Lake City · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.5%
7 flights
Avg arrival delay
13 min
48 min when late
Rank on route
#5 of 5
route average 83% on time
Key facts
- Southwest Airlines flights on LAS to SLC arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was late-arriving aircraft (67%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft67%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion5%
- Extreme weather0%
- Security0%
Other airlines on LAS to SLC
- Delta Air Lines86% on time · 11 min avg delay
- Frontier Airlines90% on time · 9 min avg delay
- Spirit Airlines82% on time · 23 min avg delay
- SkyWest Airlines100% on time · 0 min avg delay
Full LAS to SLC comparison →
Southwest Airlines on-time record across all routes →
1,445 Southwest Airlines flights tracked on this route; 7 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.