Flights Houston → Las Vegas
IAH → LAS
How long is the flight from Houston to Las Vegas?
The flight from Houston (IAH) to Las Vegas (LAS) takes 2h 49m on average. That is the median time recorded across 5 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 Houston to Las Vegas operates with a high level of punctuality, with 83% of flights arriving on time. Over the course of a year, an average delay of 12.1 minutes is observed across the 909 total flights recorded for this route. The destination airport sees over 52 million passengers annually and serves these flights using a variety of aircraft models including Airbus A319, Airbus A320, Boeing 737-900, Boeing 737-700, Boeing 737-800, and Boeing 757-200.
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 Houston (IAH) → Las Vegas (LAS) route is operated by Spirit Airlines, United Airlines. Across 2081 flights monitored in recent months, 78% arrived on time (within 15 min of schedule), with an average delay of 16 minutes. The cancellation rate is 2.07%. 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 Las Vegas the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Houston the average ATFM delay is 5.5 minutes.
Heading to Las Vegas: what to expect in this direction
Flying from Houston (IAH) to Las Vegas (LAS) heads north-west for about 1,963 km, a flight time of roughly 2h 49m.
Departures from Houston on this leg cluster in the morning window: about 37% of IAH-LAS flights take off then.
Air-traffic congestion: departing Houston the average ATFM delay is 5.5 min (atfm); arriving into Las Vegas it is 5.5 min (atfm).
Across 2,081 tracked IAH-LAS flights, 78% left on time with an average delay of 16 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 IAH-LAS
Airports
Frequently asked questions about IAH-LAS
The flight from Houston (IAH) to Las Vegas (LAS) takes 2h 49m on average. That is the median time recorded across 5 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Houston (IAH) -> Las Vegas (LAS) route, on-time performance is 78% with an average delay of 16 minutes, based on 2081 tracked flights.
The cancellation rate on Houston-Las Vegas is 2.07% across 2081 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 Las Vegas, 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.
