Santa Rosa (STS) to Portland (PDX) flights
SkyWest Airlines, Horizon Air fly nonstop from Charles M. Schulz Sonoma County Airport to Portland International Airport, with about 20 flights a week in July 2026. The 489-mile flight takes about 1h 35m gate to gate.
- Distance
- 489 mi · 787 km
- Flight time
- 1h 35m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying STS to PDX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 14 | Embraer E175 | 34,493 | 1h 36m |
| Horizon Air | 6 | Embraer E175 | 11,873 | 1h 30m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737-800, Boeing 737 MAX 8 | 1,102 | 1h 39m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
STS to PDX flight schedule
6 flight numbers flew this route in August 2026. The first usually leaves at 7:00am and the last at 7:03pm. 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 3417Alaska Airlines · operated by SkyWest Airlines | 7:00am | 8:47am | 13 | 93% |
| AS 2287Alaska Airlines · operated by Horizon Air | 8:07am | 9:46am | 12 | 100% |
| AS 3009Alaska Airlines · operated by SkyWest Airlines | 12:05pm | 1:46pm | 18 | 90% |
| AS 3221Alaska Airlines · operated by SkyWest Airlines | 2:52pm | 4:35pm | 13 | 77% |
| AS 3371Alaska Airlines · operated by SkyWest Airlines | 6:53pm | 8:35pm | 13 | 88% |
| AS 2331Alaska Airlines · operated by Horizon Air | 7:03pm | 8:36pm | 18 | 51% |
Is STS to PDX on time?
From September 2025 to August 2026, 87% of 847 flights arrived within 15 minutes of schedule and 2.7% were cancelled. Flights leaving around 8am were the most punctual (96%), those around 7pm the least (65%). Most delay time was caused by late-arriving aircraft (71%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 847 | 87% | 10 min | 2.7% |
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 | 40 | 97% | |
| 7am to 8am | 155 | 95% | |
| 8am to 9am | 47 | 96% | |
| 11am to 12pm | 68 | 93% | |
| 12pm to 1pm | 138 | 88% | |
| 2pm to 3pm | 48 | 85% | |
| 3pm to 4pm | 21 | 91% | |
| 5pm to 6pm | 33 | 97% | |
| 6pm to 7pm | 150 | 85% | |
| 7pm to 8pm | 104 | 65% | |
| 8pm to 9pm | 43 | 88% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 4,065 | |
| September 2025 | 60 | 3,476 | |
| October 2025 | 58 | 3,512 | |
| November 2025 | 58 | 3,349 | |
| December 2025 | 51 | 3,108 | |
| January 2026 | 48 | 2,697 | |
| February 2026 | 51 | 3,106 | |
| March 2026 | 75 | 4,174 | |
| April 2026 | 79 | 4,540 | |
| May 2026 | 86 | 5,093 | |
| June 2026 | 82 | 5,127 | |
| July 2026 | 88 | 5,221 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.