Flights Louisville → Houston
SDF → IAH
Route overview
The flight route from Louisville to Houston operates with an average on-time performance of 89%, with flights typically experiencing a mean delay of 8.4 minutes. Over the course of a year, this route sees 256 total flights using Embraer 170 aircraft, serving one of the busiest destination airports in the United States which handles nearly 40,979,422 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 Louisville (SDF) → Houston (IAH) route is operated by United Airlines. Across 343 flights monitored in recent months, 86% arrived on time (within 15 min of schedule), with an average delay of 13 minutes. The cancellation rate is 2.33%. FlightGuard's average computed risk is 19.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Louisville the average ATFM delay is 2.0 minutes.
Heading to Houston: what to expect in this direction
Flying from Louisville (SDF) to Houston (IAH) heads south-west for about 1,268 km, a flight time of roughly 2h 0m.
Departures from Louisville on this leg cluster in the overnight window: about 66% of SDF-IAH flights take off then.
Air-traffic congestion: departing Louisville the average ATFM delay is 2.0 min (atfm); arriving into Houston it is 2.0 min (atfm).
Across 343 tracked SDF-IAH flights, 86% left on time with an average delay of 13 min and a 2.3% 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% |
Airlines operating SDF-IAH
Airports
Frequently asked questions about SDF-IAH
On the Louisville (SDF) -> Houston (IAH) route, on-time performance is 86% with an average delay of 13 minutes, based on 343 tracked flights.
The cancellation rate on Louisville-Houston is 2.33% across 343 monitored flights.
The route is operated by 1 airline: United Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Houston, 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.
