The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

San Francisco International ⇄ Charles M Schulz/Sonoma County SFO–STS

Airlines flew 16 flights between San Francisco International SFO in San Francisco, CA and Charles M Schulz/Sonoma County STS in Santa Rosa, CA in the twelve months to July 2026, both directions together: 198 passengers in 1,164 seats, 17% of them filled. 66 miles, about 20 minutes in the air, on 1 airline: SkyWest Airlines Inc. (16). Planning to fly it yourself? The weather and winds along this route right now.

16
flights, twelve months
SFO-STS: 13 · STS-SFO: 3
198
passengers
17% of seats filled
66
miles
about 20 minutes airborne
1
airline
2 aircraft types

Flights by month both directions

024571/256/2512/2525/26
By month, as a table
flights
1/252
2/257
3/252
6/252
9/253
11/251
12/257
1/262
4/261
5/262

Passengers by month

036721071431/256/2512/2505/26
By month, as a table
passengers
1/250
2/2546
3/2533
6/250
9/250
11/2532
12/25143
1/2622
4/261
5/260

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO1619817%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1751476198
Canadair RJ-200ER /RJ-4402500

SFO → STS this direction alone · flown January 2025 to May 2026

13 flights of 13 scheduled, 198 passengers in 962 seats. SkyWest Airlines Inc. 13.

STS → SFO this direction alone · flown January 2025 to May 2026

3 flights of 3 scheduled, 0 passengers in 202 seats. SkyWest Airlines Inc. 3.

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: San Francisco International SFO and Charles M Schulz/Sonoma County STS; all routes.