Delta Air Lines SDF to DTW on-time performance
Delta Air Lines nonstop flights from Louisville to Detroit · Aug 2025 – Jul 2026
On-time arrivals
64%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
43 min
114 min when late
Rank on route
#4 of 4
route average 83% on time
Key facts
- Delta Air Lines flights on SDF to DTW arrived on time 64% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 18% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 83% on time overall.
- The largest source of delay minutes was late-arriving aircraft (90%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft90%
- Airline (crew, maintenance, cleaning, fueling)10%
- Air traffic control & airport congestion0%
- Extreme weather0%
- Security0%
Other airlines on SDF to DTW
- SkyWest Airlines79% on time · 28 min avg delay
- Republic Airways90% on time · 9 min avg delay
- Spirit Airlines100% on time · 0 min avg delay
Full SDF to DTW comparison →
Delta Air Lines on-time record across all routes →
11 Delta Air Lines flights tracked on this route; 0 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.