Southwest Airlines SLC to LAS on-time performance
Southwest Airlines nonstop flights from Salt Lake City to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.4%
6 flights
Avg arrival delay
13 min
48 min when late
Rank on route
#4 of 5
route average 78% on time
Key facts
- Southwest Airlines flights on SLC to LAS arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (55%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft55%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)15%
- Extreme weather1%
- Security0%
Other airlines on SLC to LAS
- Delta Air Lines80% on time · 13 min avg delay
- Frontier Airlines79% on time · 26 min avg delay
- Spirit Airlines74% on time · 27 min avg delay
- SkyWest Airlines100% on time · 0 min avg delay
Full SLC to LAS comparison →
Southwest Airlines on-time record across all routes →
1,444 Southwest Airlines flights tracked on this route; 6 cancelled, 2 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.