Los Angeles (LAX) to Seattle (SEA) flights
Alaska Airlines, Delta Air Lines, United Airlines, SkyWest Airlines, Frontier Airlines, American Airlines fly nonstop from Los Angeles International Airport to Seattle-Tacoma International Airport, with about 150 flights a week in July 2026. The 954-mile flight takes about 2h 46m gate to gate.
- Distance
- 954 mi · 1,535 km
- Flight time
- 2h 46m
- Airlines
- 6
- Seats filled
- 79%
Airlines flying LAX to SEA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Alaska Airlines | 70 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 439,512 | 2h 47m |
| Delta Air Lines | 46 | Boeing 737-800, Boeing 737-900ER, Airbus A321 | 288,686 | 2h 40m |
| United Airlines | 14 | Airbus A320-100/200, Boeing 737-800, Boeing 737 MAX 8 | 53,006 | 2h 45m |
| SkyWest Airlines | 13 | Bombardier CRJ700, Embraer E175 | 68,866 | 2h 53m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 53,398 | 2h 48m |
| American Airlines | <1 | Boeing 737-800, Airbus A321 | 2,339 | 2h 47m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 853 | 2h 47m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LAX to SEA flight schedule
35 flight numbers flew this route in August 2026, 20 of them almost daily. The first usually leaves at 6:00am and the last at 9:00pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| AS 1365Alaska Airlines | 6:00am | 8:47am | 18 | 87% |
| AS 748Alaska Airlines | 7:00am | 9:49am | 26 | 88% |
| DL 2980Delta Air Lines | 7:15am | 9:57am | 31 | 92% |
| AA 6476American Airlines · operated by SkyWest Airlines | 8:15am | 11:10am | 27 | 70% |
| UA 5736United Airlines · operated by SkyWest Airlines | 8:30am | 11:34am | 20 | 80% |
| AS 482Alaska Airlines | 9:00am | 11:52am | 31 | 78% |
| AS 792Alaska Airlines | 9:30am | 12:20pm | 13 | 92% |
| DL 1714Delta Air Lines | 9:45am | 12:27pm | 11 | 92% |
| DL 304Delta Air Lines | 9:45am | 12:27pm | 20 | 75% |
| AS 798Alaska Airlines | 10:00am | 12:48pm | 22 | 87% |
| AA 6324American Airlines · operated by SkyWest Airlines | 10:50am | 1:48pm | 4 | 80% |
| UA 325United Airlines | 11:43am | 2:36pm | 10 | 90% |
| DL 1045Delta Air Lines | 12:07pm | 2:50pm | 31 | 87% |
| UA 2316United Airlines | 12:40pm | 3:29pm | 4 | n/a |
| AS 1305Alaska Airlines | 12:47pm | 3:33pm | 29 | 73% |
| UA 6043United Airlines · operated by SkyWest Airlines | 12:50pm | 3:45pm | 14 | 86% |
| AA 6438American Airlines · operated by SkyWest Airlines | 1:35pm | 4:32pm | 27 | 90% |
| AS 585Alaska Airlines | 1:59pm | 4:45pm | 29 | 85% |
| DL 2606Delta Air Lines | 2:00pm | 4:37pm | 31 | 83% |
| F9 1177Frontier Airlines | 3:04pm | 5:51pm | 31 | 84% |
| AS 408Alaska Airlines | 3:25pm | 6:10pm | 5 | 68% |
| UA 6047United Airlines · operated by SkyWest Airlines | 4:15pm | 7:14pm | 20 | 80% |
| AS 1375Alaska Airlines | 4:25pm | 7:11pm | 15 | 68% |
| UA 1550United Airlines | 4:45pm | 7:38pm | 4 | 94% |
| AS 698Alaska Airlines | 4:50pm | 7:39pm | 13 | 92% |
| DL 2640Delta Air Lines | 5:51pm | 8:30pm | 31 | 82% |
| AS 1301Alaska Airlines | 6:09pm | 8:56pm | 25 | 87% |
| AA 4920American Airlines · operated by SkyWest Airlines | 6:48pm | 9:45pm | 4 | 66% |
| AS 770Alaska Airlines | 6:50pm | 9:39pm | 13 | 100% |
| UA 684United Airlines | 6:50pm | 9:41pm | 21 | 84% |
| DL 1551Delta Air Lines | 7:00pm | 9:45pm | 30 | 78% |
| AS 1368Alaska Airlines | 7:09pm | 9:58pm | 17 | 65% |
| AS 614Alaska Airlines | 8:09pm | 10:58pm | 29 | 83% |
| AA 6371American Airlines · operated by SkyWest Airlines | 8:26pm | 11:21pm | 27 | 75% |
| DL 2616Delta Air Lines | 9:00pm | 11:44pm | 18 | 75% |
Is LAX to SEA on time?
From September 2025 to August 2026, 85% of 7,544 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 7am were the most punctual (91%), those around 6pm the least (79%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 3,306 | 85% | 9 min | 0.9% |
| Delta Air Lines | 2,228 | 85% | 11 min | 0.7% |
| United Airlines | 978 | 89% | 6 min | 0.5% |
| American Airlines | 724 | 78% | 19 min | 0.6% |
| Frontier Airlines | 308 | 84% | 11 min | 3.2% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 224 | 93% | |
| 7am to 8am | 630 | 91% | |
| 8am to 9am | 455 | 87% | |
| 9am to 10am | 599 | 89% | |
| 10am to 11am | 319 | 87% | |
| 11am to 12pm | 518 | 86% | |
| 12pm to 1pm | 412 | 79% | |
| 1pm to 2pm | 366 | 85% | |
| 2pm to 3pm | 506 | 85% | |
| 3pm to 4pm | 617 | 83% | |
| 4pm to 5pm | 380 | 85% | |
| 5pm to 6pm | 616 | 87% | |
| 6pm to 7pm | 422 | 79% | |
| 7pm to 8pm | 839 | 79% | |
| 8pm to 9pm | 418 | 86% | |
| 9pm to 10pm | 222 | 84% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 635 | 84,103 | |
| September 2025 | 604 | 68,890 | |
| October 2025 | 612 | 66,471 | |
| November 2025 | 602 | 66,935 | |
| December 2025 | 626 | 72,294 | |
| January 2026 | 559 | 60,511 | |
| February 2026 | 560 | 64,599 | |
| March 2026 | 626 | 75,756 | |
| April 2026 | 609 | 74,321 | |
| May 2026 | 683 | 87,624 | |
| June 2026 | 651 | 92,949 | |
| July 2026 | 666 | 92,207 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.