Portland (PDX) to Santa Rosa (STS) flights
SkyWest Airlines, Horizon Air fly nonstop from Portland International Airport to Charles M. Schulz Sonoma County Airport, with about 20 flights a week in July 2026. The 489-mile flight takes about 1h 42m gate to gate.
- Distance
- 489 mi · 787 km
- Flight time
- 1h 42m
- Airlines
- 2
- Seats filled
- 71%
Airlines flying PDX to STS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 13 | Embraer E175 | 33,206 | 1h 44m |
| Horizon Air | 7 | Embraer E175 | 9,850 | 1h 36m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-800, Boeing 737 MAX 8 | 1,774 | 1h 31m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PDX to STS flight schedule
5 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:30am and the last at 9:45pm. 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 3220Alaska Airlines · operated by SkyWest Airlines | 7:30am | 9:15am | 13 | 92% |
| AS 2330Alaska Airlines · operated by Horizon Air | 10:45am | 12:26pm | 18 | 86% |
| AS 3483Alaska Airlines · operated by SkyWest Airlines | 2:30pm | 4:15pm | 31 | 81% |
| AS 2286Alaska Airlines · operated by Horizon Air | 7:19pm | 8:58pm | 13 | 69% |
| AS 3115Alaska Airlines · operated by SkyWest Airlines | 9:45pm | 11:30pm | 12 | 87% |
Is PDX to STS on time?
From September 2025 to August 2026, 85% of 848 flights arrived within 15 minutes of schedule and 1.1% were cancelled. Flights leaving around 2pm were the most punctual (92%), those around 7am the least (80%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 848 | 85% | 10 min | 1.1% |
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 |
|---|---|---|---|
| 7am to 8am | 284 | 80% | |
| 10am to 11am | 80 | 86% | |
| 2pm to 3pm | 155 | 92% | |
| 3pm to 4pm | 83 | 85% | |
| 5pm to 6pm | 103 | 86% | |
| 6pm to 7pm | 21 | 80% | |
| 9pm to 10pm | 108 | 91% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 3,780 | |
| September 2025 | 58 | 3,296 | |
| October 2025 | 55 | 3,285 | |
| November 2025 | 59 | 3,272 | |
| December 2025 | 52 | 3,042 | |
| January 2026 | 52 | 2,865 | |
| February 2026 | 51 | 2,797 | |
| March 2026 | 74 | 3,782 | |
| April 2026 | 78 | 4,214 | |
| May 2026 | 84 | 4,466 | |
| June 2026 | 85 | 5,014 | |
| July 2026 | 88 | 5,017 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.