Flights Buffalo → Las Vegas
BUF → LAS
How long is the flight from Buffalo to Las Vegas?
The flight from Buffalo (BUF) to Las Vegas (LAS) takes about 4h 24m. 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 Buffalo to Las Vegas operates with a Boeing 737-800 aircraft and has an average on-time performance rate of 79%, with flights typically experiencing delays of around 13.5 minutes. Over the course of a year, the destination airport serves approximately 52,667,741 passengers, indicating high traffic volume.
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 Buffalo (BUF) → Las Vegas (LAS) route is operated by Southwest Airlines. Across 153 flights monitored in recent months, 78% arrived on time (within 15 min of schedule), with an average delay of 14 minutes. The cancellation rate is 1.96%. FlightGuard's average computed risk is 21.5/100 (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 Buffalo the average ATFM delay is 5.5 minutes.
Heading to Las Vegas: what to expect in this direction
Flying from Buffalo (BUF) to Las Vegas (LAS) heads west for about 3,189 km, a flight time of roughly 4h 24m.
Departures from Buffalo on this leg cluster in the overnight window: about 59% of BUF-LAS flights take off then.
Air-traffic congestion: departing Buffalo the average ATFM delay is 5.5 min (atfm); arriving into Las Vegas it is 5.5 min (atfm).
Across 153 tracked BUF-LAS flights, 78% left on time with an average delay of 14 min and a 2.0% 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 BUF-LAS
Airports
Frequently asked questions about BUF-LAS
The flight from Buffalo (BUF) to Las Vegas (LAS) takes about 4h 24m. 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 Buffalo (BUF) -> Las Vegas (LAS) route, on-time performance is 78% with an average delay of 14 minutes, based on 153 tracked flights.
The cancellation rate on Buffalo-Las Vegas is 1.96% across 153 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 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.
