Flights Las Vegas → Seattle
LAS → SEA
Route overview
The flight route from Las Vegas to Seattle operates with a high level of punctuality, with 83% of flights arriving on time. Over the past year, there have been 1368 total flights, each averaging a mean delay of just 9 minutes. The aircraft used for this route include Boeing 737-700, Boeing 737-900, Canadair Regional Jet 900, and Boeing 737-300, serving one of the busiest airports in terms of passenger traffic with 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 Las Vegas (LAS) → Seattle (SEA) route is operated by Alaska Airlines, Delta Air Lines, Southwest Airlines. Across 1919 flights monitored in recent months, 82% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 2.34%. FlightGuard's average computed risk is 19.3/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Seattle the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Las Vegas the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from Las Vegas (LAS) to Seattle (SEA) heads north-west for about 1,395 km, a flight time of roughly 2h 10m.
Departures from Las Vegas on this leg cluster in the overnight window: about 49% of LAS-SEA flights take off then.
Air-traffic congestion: departing Las Vegas the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 1,919 tracked LAS-SEA flights, 82% left on time with an average delay of 10 min and a 2.3% 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) | 80% | 8 min | 1.8% |
| Southwest Airlines (WN) | 73% | 6 min | 3.1% |
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating LAS-SEA
Airports
Frequently asked questions about LAS-SEA
On the Las Vegas (LAS) -> Seattle (SEA) route, on-time performance is 82% with an average delay of 10 minutes, based on 1919 tracked flights.
The cancellation rate on Las Vegas-Seattle is 2.34% across 1919 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 Seattle, 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.
