Southwest Airlines PHX to SDF on-time performance
Southwest Airlines nonstop flights from Phoenix to Louisville · Aug 2025 – Jul 2026
On-time arrivals
73%
arrived < 15 min late
Cancelled
0.5%
2 flights
Avg arrival delay
13 min
43 min when late
Rank on route
#2 of 2
route average 73% on time
Key facts
- Southwest Airlines flights on PHX to SDF arrived on time 73% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion12%
- Extreme weather0%
- Security0%
Other airlines on PHX to SDF
- American Airlines100% on time · 0 min avg delay
Full PHX to SDF comparison →
Southwest Airlines on-time record across all routes →
369 Southwest Airlines flights tracked on this route; 2 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.