Flights London → Las Vegas
LHR → LAS
How long is the flight from London to Las Vegas?
The flight from London (LHR) to Las Vegas (LAS) takes 10h 14m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
This flight route operates between London and Las Vegas with a Boeing 747-400 aircraft, serving one of the world's busiest airports in terms of passenger traffic. Over ten flights, it has an on-time performance rate of 67%, with an average delay of 12.7 minutes per flight.
The London (LHR) → Las Vegas (LAS) route is operated by American Airlines, British Airways, Iberia Airlines. Across 22 flights monitored in recent months, 74% arrived on time (within 15 min of schedule), with an average delay of 13 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 12.6/100 (low), 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 London the average ATFM delay is 1.8 minutes.
Heading to Las Vegas: what to expect in this direction
Flying from London (LHR) to Las Vegas (LAS) heads north-west for about 8,395 km, a flight time of roughly 10h 14m.
Departures from London on this leg cluster in the midday window: about 100% of LHR-LAS flights take off then.
Air-traffic congestion: departing London the average ATFM delay is 1.8 min (atfm); arriving into Las Vegas it is 5.5 min (atfm).
Across 22 tracked LHR-LAS flights, 74% left on time with an average delay of 13 min and a 0.0% cancellation rate.
Route facts
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 87% | 20 min | 1.2% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
| British Airways (BA) | 66% | 31 min | 1.3% |
Airlines operating LHR-LAS
Airports
Frequently asked questions about LHR-LAS
The flight from London (LHR) to Las Vegas (LAS) takes 10h 14m on average. That is the median time recorded across 1 scheduled flight on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the London (LHR) -> Las Vegas (LAS) route, on-time performance is 74% with an average delay of 13 minutes, based on 22 tracked flights.
The cancellation rate on London-Las Vegas is 0.00% across 22 monitored flights.
The route is operated by 3 airlines: American Airlines, British Airways, Iberia 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.
The London-Las Vegas route is about 8,395 km: for a cancellation (with less than 14 days' notice), a delay over 3 hours, or denied boarding, UK261 compensation is £520, barring extraordinary circumstances.