Southwest Airlines MEM to LAS on-time performance
Southwest Airlines nonstop flights from Memphis to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.9%
3 flights
Avg arrival delay
12 min
59 min when late
Rank on route
#2 of 4
route average 81% on time
Key facts
- Southwest Airlines flights on MEM to LAS arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion14%
- Extreme weather0%
- Security0%
Other airlines on MEM to LAS
- Spirit Airlines91% on time · 7 min avg delay
- Allegiant Air71% on time · 28 min avg delay
- Frontier Airlines63% on time · 19 min avg delay
Full MEM to LAS comparison →
Southwest Airlines on-time record across all routes →
321 Southwest Airlines flights tracked on this route; 3 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.