Flights Los Angeles → Seattle
LAX → SEA
Route overview
The flight route from Los Angeles to Seattle operates with a high level of punctuality, with 85% of flights arriving on time. The average delay for the remaining flights is approximately 7.3 minutes, and over the course of a year, around 1807 flights are scheduled along this route, utilizing various aircraft models including Boeing 737 series and Airbus A320/A319 planes.
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 Los Angeles (LAX) → Seattle (SEA) route is operated by American Airlines, Alaska Airlines, Delta Air Lines, United Airlines. Across 2346 flights monitored in recent months, 85% arrived on time (within 15 min of schedule), with an average delay of 8 minutes. The cancellation rate is 2.86%. FlightGuard's average computed risk is 25.9/100 (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 Los Angeles the average ATFM delay is 2.0 minutes.
Heading to Seattle: what to expect in this direction
Flying from Los Angeles (LAX) to Seattle (SEA) heads north for about 1,537 km, a flight time of roughly 2h 20m.
Departures from Los Angeles on this leg cluster in the overnight window: about 43% of LAX-SEA flights take off then.
Air-traffic congestion: departing Los Angeles the average ATFM delay is 2.0 min (atfm); arriving into Seattle it is 2.0 min (atfm).
Across 2,346 tracked LAX-SEA flights, 85% left on time with an average delay of 8 min and a 2.9% 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% |
| United Airlines (UA) | 74% | 10 min | 6.9% |
| American Airlines (AA) | 74% | 16 min | 3.0% |
| Alaska Airlines (AS) | 67% | 10 min | 11.9% |
Airlines operating LAX-SEA
Airports
Frequently asked questions about LAX-SEA
On the Los Angeles (LAX) -> Seattle (SEA) route, on-time performance is 85% with an average delay of 8 minutes, based on 2346 tracked flights.
The cancellation rate on Los Angeles-Seattle is 2.86% across 2346 monitored flights.
The route is operated by 4 airlines: American Airlines, Alaska Airlines, Delta Air Lines, United 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.
