Flights Las Vegas → Louisville
LAS → SDF
How long is the flight from Las Vegas to Louisville?
The flight from Las Vegas (LAS) to Louisville (SDF) takes about 3h 41m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
Route overview
The flight route from Las Vegas to Louisville has a 74% on-time performance rate, with an average delay of 14.2 minutes when flights are not on time. Over the course of a year, approximately 90 flights travel this route, serving a busy destination airport that sees 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 Las Vegas (LAS) → Louisville (SDF) route is operated by Southwest Airlines. Across 219 flights monitored in recent months, 65% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 0.46%. FlightGuard's average computed risk is 15.6/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Louisville the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Las Vegas the average ATFM delay is 5.5 minutes.
Heading to Louisville: what to expect in this direction
Flying from Las Vegas (LAS) to Louisville (SDF) heads east for about 2,607 km, a flight time of roughly 3h 41m.
Departures from Las Vegas on this leg cluster in the overnight window: about 55% of LAS-SDF flights take off then.
Air-traffic congestion: departing Las Vegas the average ATFM delay is 5.5 min (atfm); arriving into Louisville it is 5.5 min (atfm).
Across 219 tracked LAS-SDF flights, 65% left on time with an average delay of 20 min and a 0.5% 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) | 75% | 5 min | 0.3% |
Airlines operating LAS-SDF
Airports
Frequently asked questions about LAS-SDF
The flight from Las Vegas (LAS) to Louisville (SDF) takes about 3h 41m. This is an estimate based on the distance between the two airports: the real time depends on the aircraft, wind and any stops.
On the Las Vegas (LAS) -> Louisville (SDF) route, on-time performance is 65% with an average delay of 20 minutes, based on 219 tracked flights.
The cancellation rate on Las Vegas-Louisville is 0.46% across 219 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.
