Flights Seattle → Las Vegas
SEA → LAS
How long is the flight from Seattle to Las Vegas?
The flight from Seattle (SEA) to Las Vegas (LAS) takes 2h 4m 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 Seattle to Las Vegas operates with a high frequency of 1,369 flights and features an on-time performance rate of 79%, with average delays of 8.2 minutes. The aircraft used for this route include Boeing 737-900, Boeing 737-700, Canadair Regional Jet 900, and Boeing 737-300, serving a destination airport that sees over 52 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 Seattle (SEA) → Las Vegas (LAS) route is operated by Alaska Airlines, Delta Air Lines, Southwest Airlines. Across 3487 flights monitored in recent months, 76% arrived on time (within 15 min of schedule), with an average delay of 12 minutes. The cancellation rate is 1.63%. FlightGuard's average computed risk is 22/100 (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 Seattle the average ATFM delay is 5.5 minutes.
Heading to Las Vegas: what to expect in this direction
Flying from Seattle (SEA) to Las Vegas (LAS) heads south-east for about 1,395 km, a flight time of roughly 2h 4m.
Departures from Seattle on this leg cluster in the overnight window: about 45% of SEA-LAS flights take off then.
Air-traffic congestion: departing Seattle the average ATFM delay is 5.5 min (atfm); arriving into Las Vegas it is 5.5 min (atfm).
Across 3,487 tracked SEA-LAS flights, 76% left on time with an average delay of 12 min and a 1.6% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Delta Air Lines (DL) | 85% | 1 min | 0.8% |
| Alaska Airlines (AS) | 85% | -1 min | 0.5% |
| Southwest Airlines (WN) | 75% | 5 min | 0.3% |
Airlines operating SEA-LAS
Airports
Frequently asked questions about SEA-LAS
The flight from Seattle (SEA) to Las Vegas (LAS) takes 2h 4m 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 Seattle (SEA) -> Las Vegas (LAS) route, on-time performance is 76% with an average delay of 12 minutes, based on 3487 tracked flights.
The cancellation rate on Seattle-Las Vegas is 1.63% across 3487 monitored flights.
The route is operated by 3 airlines: Alaska Airlines, Delta Air Lines, 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.
