Southwest Airlines LAS to SDF on-time performance
Southwest Airlines nonstop flights from Las Vegas to Louisville · Aug 2025 – Jul 2026
On-time arrivals
68%
arrived < 15 min late
Cancelled
1.1%
4 flights
Avg arrival delay
19 min
56 min when late
Rank on route
#3 of 3
route average 70% on time
Key facts
- Southwest Airlines flights on LAS to SDF arrived on time 68% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 11% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 70% 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)38%
- Air traffic control & airport congestion6%
- Extreme weather2%
- Security0%
Other airlines on LAS to SDF
- Spirit Airlines91% on time · 6 min avg delay
- American Airlines100% on time · 0 min avg delay
Full LAS to SDF comparison →
Southwest Airlines on-time record across all routes →
365 Southwest Airlines flights tracked on this route; 4 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.