Flights Chicago → Louisville
ORD → SDF
Route overview
The flight route from Chicago to Louisville operates with an average on-time performance rate of 77%, experiencing a mean delay of 14.7 minutes per flight. Over the course of a year, this route sees approximately 769 flights using various Embraer aircraft models including the RJ140, RJ145, E175, and E170, serving an airport that handles nearly 3.35 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 Chicago (ORD) → Louisville (SDF) route is operated by American Airlines, United Airlines. Across 956 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 15 minutes. The cancellation rate is 4.18%. FlightGuard's average computed risk is 28/100 (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 (ORD) to Louisville (SDF) heads south-east for about 462 km, a flight time of roughly 60m.
Departures from Chicago on this leg cluster in the midday window: about 45% of ORD-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 956 tracked ORD-SDF flights, 77% left on time with an average delay of 15 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 |
|---|---|---|---|
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating ORD-SDF
Airports
Frequently asked questions about ORD-SDF
On the Chicago (ORD) -> Louisville (SDF) route, on-time performance is 77% with an average delay of 15 minutes, based on 956 tracked flights.
The cancellation rate on Chicago-Louisville is 4.18% across 956 monitored flights.
The route is operated by 2 airlines: American Airlines, United 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.
