Flights Chicago → Louisville
MDW → SDF
Route overview
This flight route operates between Chicago and Louisville with a Boeing 737-300 aircraft, completing a total of 227 flights. The on-time performance is at 82%, with an average delay of 6.6 minutes, making it relatively punctual despite the moderate delays.
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 Chicago (MDW) → Louisville (SDF) route is operated by Southwest Airlines. Across 313 flights monitored in recent months, 80% arrived on time (within 15 min of schedule), with an average delay of 7 minutes. The cancellation rate is 4.15%. FlightGuard's average computed risk is 19.6/100 (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 Chicago the average ATFM delay is 2.0 minutes.
Heading to Louisville: what to expect in this direction
Flying from Chicago (MDW) to Louisville (SDF) heads south-east for about 437 km, a flight time of roughly 58m.
Departures from Chicago on this leg cluster in the overnight window: about 38% of MDW-SDF flights take off then.
Air-traffic congestion: departing Chicago the average ATFM delay is 2.0 min (atfm); arriving into Louisville it is 2.0 min (atfm).
Across 313 tracked MDW-SDF flights, 80% left on time with an average delay of 7 min and a 4.2% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
Airlines operating MDW-SDF
Airports
Frequently asked questions about MDW-SDF
On the Chicago (MDW) -> Louisville (SDF) route, on-time performance is 80% with an average delay of 7 minutes, based on 313 tracked flights.
The cancellation rate on Chicago-Louisville is 4.15% across 313 monitored flights.
The route is operated by 1 airline: Southwest Airlines.
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.
