Flights Las Vegas → Houston
LAS → IAH
How long is the flight from Las Vegas to Houston?
The flight from Las Vegas (LAS) to Houston (IAH) takes 2h 35m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Las Vegas to Houston operates with an average on-time performance rate of 85%, with flights typically experiencing a mean delay of 10.9 minutes. Over the course of a year, this route sees approximately 908 flights using a variety of aircraft including Airbus A319, Boeing 737-800, Boeing 737-900, Airbus A320, and Boeing 737-700, serving the highly trafficked destination airport which handles nearly 40.98 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) → Houston (IAH) route is operated by Spirit Airlines, United Airlines. Across 2105 flights monitored in recent months, 83% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 2.09%. FlightGuard's average computed risk is 30.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Houston 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 Houston: what to expect in this direction
Flying from Las Vegas (LAS) to Houston (IAH) heads east for about 1,963 km, a flight time of roughly 2h 35m.
Departures from Las Vegas on this leg cluster in the overnight window: about 49% of LAS-IAH flights take off then.
Air-traffic congestion: departing Las Vegas the average ATFM delay is 5.5 min (atfm); arriving into Houston it is 5.5 min (atfm).
Across 2,105 tracked LAS-IAH flights, 83% left on time with an average delay of 12 min and a 2.1% 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) | 83% | 5 min | 1.3% |
| Spirit Airlines (NK) | 66% | 19 min | 3.4% |
Airlines operating LAS-IAH
Airports
Frequently asked questions about LAS-IAH
The flight from Las Vegas (LAS) to Houston (IAH) takes 2h 35m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Las Vegas (LAS) -> Houston (IAH) route, on-time performance is 83% with an average delay of 12 minutes, based on 2105 tracked flights.
The cancellation rate on Las Vegas-Houston is 2.09% across 2105 monitored flights.
The route is operated by 2 airlines: Spirit Airlines, 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.
