Santa Rosa (STS) to Los Angeles (LAX) flights
SkyWest Airlines flies nonstop from Charles M. Schulz Sonoma County Airport to Los Angeles International Airport, with about 19 flights a week in July 2026. The 399-mile flight takes about 1h 40m gate to gate.
- Distance
- 399 mi · 642 km
- Flight time
- 1h 40m
- Airlines
- 1
- Seats filled
- 71%
Airlines flying STS to LAX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 19 | Embraer E175 | 37,578 | 1h 41m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 7,189 | 1h 35m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-800, Boeing 737 MAX 8 | 2,080 | 1h 36m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
STS to LAX flight schedule
6 flight numbers flew this route in August 2026. The first usually leaves at 6:00am and the last at 5:35pm. 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 3050Alaska Airlines · operated by SkyWest Airlines | 6:00am | 7:44am | 18 | 91% |
| AS 2088Alaska Airlines · operated by Horizon Air | 7:10am | 8:44am | 12 | 68% |
| AS 3049Alaska Airlines · operated by SkyWest Airlines | 11:35am | 1:15pm | 18 | 90% |
| AS 2078Alaska Airlines · operated by Horizon Air | 12:01pm | 1:33pm | 13 | 78% |
| AS 3414Alaska Airlines · operated by SkyWest Airlines | 4:36pm | 6:17pm | 8 | 78% |
| AS 3466Alaska Airlines · operated by SkyWest Airlines | 5:35pm | 7:15pm | 12 | 85% |
Is STS to LAX on time?
From September 2025 to August 2026, 84% of 853 flights arrived within 15 minutes of schedule and 3.6% were cancelled. Flights leaving around 12pm were the most punctual (98%), those around 3pm the least (68%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 853 | 84% | 11 min | 3.6% |
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 | 70 | 91% | |
| 7am to 8am | 291 | 87% | |
| 11am to 12pm | 70 | 90% | |
| 12pm to 1pm | 54 | 98% | |
| 3pm to 4pm | 53 | 68% | |
| 5pm to 6pm | 105 | 87% | |
| 6pm to 7pm | 85 | 69% | |
| 7pm to 8pm | 83 | 82% | |
| 8pm to 9pm | 22 | 62% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 88 | 5,135 | |
| September 2025 | 77 | 4,631 | |
| October 2025 | 77 | 4,505 | |
| November 2025 | 73 | 4,044 | |
| December 2025 | 66 | 3,630 | |
| January 2026 | 51 | 2,874 | |
| February 2026 | 43 | 2,681 | |
| March 2026 | 64 | 3,658 | |
| April 2026 | 72 | 3,796 | |
| May 2026 | 62 | 3,717 | |
| June 2026 | 75 | 4,182 | |
| July 2026 | 84 | 3,994 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.