Flights Detroit → Louisville
DTW → SDF
Route overview
The flight route from Detroit to Louisville has a punctuality rate of seventy-five percent, with an average delay of eighteen and a half minutes. Over the course of a year, this route sees three hundred fourteen flights, serving the high traffic Louisville airport which handles over three million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Detroit (DTW) → Louisville (SDF) route is operated by Delta Air Lines. Across 384 flights monitored in recent months, 75% arrived on time (within 15 min of schedule), with an average delay of 22 minutes. The cancellation rate is 1.04%. FlightGuard's average computed risk is 29.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Louisville the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Detroit the average ATFM delay is 2.0 minutes.
Heading to Louisville: what to expect in this direction
Flying from Detroit (DTW) to Louisville (SDF) heads south-west for about 493 km, a flight time of roughly 1h 2m.
Departures from Detroit on this leg cluster in the morning window: about 40% of DTW-SDF flights take off then.
Air-traffic congestion: departing Detroit the average ATFM delay is 2.0 min (atfm); arriving into Louisville it is 2.0 min (atfm).
Across 384 tracked DTW-SDF flights, 75% left on time with an average delay of 22 min and a 1.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Delta Air Lines (DL) | 80% | 8 min | 1.8% |
Airlines operating DTW-SDF
Airports
Frequently asked questions about DTW-SDF
On the Detroit (DTW) -> Louisville (SDF) route, on-time performance is 75% with an average delay of 22 minutes, based on 384 tracked flights.
The cancellation rate on Detroit-Louisville is 1.04% across 384 monitored flights.
The route is operated by 1 airline: Delta Air Lines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Louisville, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
