Portland International ⇄ Charles M Schulz/Sonoma County PDX–STS
Airlines flew 1,596 flights between Portland International PDX in Portland, OR and Charles M Schulz/Sonoma County STS in Santa Rosa, CA in the twelve months to July 2026, both directions together: 92,298 passengers in 125,004 seats, 74% of them filled, and 686 pounds of freight. 489 miles, about 78 minutes in the air, on 3 airlines: SkyWest Airlines Inc. (1,180), Horizon Air (372), Alaska Airlines Inc. (44). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 69 |
| 2/25 | 55 |
| 3/25 | 86 |
| 4/25 | 120 |
| 5/25 | 124 |
| 6/25 | 121 |
| 7/25 | 124 |
| 8/25 | 124 |
| 9/25 | 118 |
| 10/25 | 113 |
| 11/25 | 117 |
| 12/25 | 103 |
| 1/26 | 100 |
| 2/26 | 102 |
| 3/26 | 149 |
| 4/26 | 157 |
| 5/26 | 170 |
| 6/26 | 167 |
| 7/26 | 176 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 3,741 |
| 2/25 | 3,451 |
| 3/25 | 5,183 |
| 4/25 | 6,816 |
| 5/25 | 7,385 |
| 6/25 | 7,697 |
| 7/25 | 7,903 |
| 8/25 | 7,845 |
| 9/25 | 6,772 |
| 10/25 | 6,797 |
| 11/25 | 6,621 |
| 12/25 | 6,150 |
| 1/26 | 5,562 |
| 2/26 | 5,903 |
| 3/26 | 7,956 |
| 4/26 | 8,754 |
| 5/26 | 9,559 |
| 6/26 | 10,141 |
| 7/26 | 10,238 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 1,180 | 67,699 | 75% | scheduled passenger service |
| Horizon Air QX | 372 | 21,723 | 77% | scheduled passenger service |
| Alaska Airlines Inc. AS | 44 | 2,876 | 41% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,552 | 76 | 89,422 |
| Boeing 737-800 | 40 | 160 | 2,589 |
| Boeing B737 Max 800 | 4 | 160 | 287 |
PDX → STS this direction alone · flown January 2025 to July 2026
798 flights of 811 scheduled, 44,830 passengers in 62,757 seats, 216 pounds of freight. SkyWest Airlines Inc. 600; Horizon Air 173; Alaska Airlines Inc. 25.
STS → PDX this direction alone · flown January 2025 to July 2026
798 flights of 818 scheduled, 47,468 passengers in 62,247 seats, 470 pounds of freight. SkyWest Airlines Inc. 580; Horizon Air 199; Alaska Airlines Inc. 19.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Portland International PDX and Charles M Schulz/Sonoma County STS; all routes.