Southwest Airlines SDF to PHX on-time performance
Southwest Airlines nonstop flights from Louisville to Phoenix · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
1.1%
4 flights
Avg arrival delay
9 min
47 min when late
Rank on route
#1 of 2
route average 83% on time
Key facts
- Southwest Airlines flights on SDF to PHX arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was late-arriving aircraft (44%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion21%
- Extreme weather4%
- Security0%
Other airlines on SDF to PHX
- American Airlines33% on time · 22 min avg delay
Full SDF to PHX comparison →
Southwest Airlines on-time record across all routes →
369 Southwest Airlines flights tracked on this route; 4 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.