Charles M Schulz/Sonoma County ⇄ Ontario International STS–ONT
Airlines flew 274 flights between Charles M Schulz/Sonoma County STS in Santa Rosa, CA and Ontario International ONT in Ontario, CA in the twelve months to July 2026, both directions together: 10,956 passengers in 20,824 seats, 53% of them filled. 423 miles, about 67 minutes in the air, on 2 airlines: SkyWest Airlines Inc. (218), Horizon Air (56). 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 | 4 |
| 2/25 | 10 |
| 3/25 | 18 |
| 12/25 | 2 |
| 3/26 | 28 |
| 4/26 | 60 |
| 5/26 | 62 |
| 6/26 | 60 |
| 7/26 | 62 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 447 |
| 2/25 | 720 |
| 3/25 | 1,236 |
| 12/25 | 0 |
| 3/26 | 1,347 |
| 4/26 | 2,637 |
| 5/26 | 2,565 |
| 6/26 | 2,329 |
| 7/26 | 2,078 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 218 | 8,612 | 52% | scheduled passenger service |
| Horizon Air QX | 56 | 2,344 | 55% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 274 | 76 | 10,956 |
STS → ONT this direction alone · flown January 2025 to July 2026
138 flights of 138 scheduled, 5,303 passengers in 10,488 seats. SkyWest Airlines Inc. 110; Horizon Air 28.
ONT → STS this direction alone · flown January 2025 to July 2026
136 flights of 136 scheduled, 5,653 passengers in 10,336 seats. SkyWest Airlines Inc. 108; Horizon Air 28.
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: Charles M Schulz/Sonoma County STS and Ontario International ONT; all routes.