Airports · Charles M. Schulz Sonoma County Airport
Flights from Santa Rosa (STS)
Airlines flew 6,017 departures out of Charles M. Schulz Sonoma County Airport (STS) carrying 389,389 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.
What flies from Santa Rosa
US DOT T-100 · filed dataWhat airlines actually flew out of Santa Rosa — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.
Departures
6,017
April 2026
Seats flown
514,346
Passengers
389,389
Load factor
75.7%
passengers ÷ seats
Busiest routes from Santa Rosa
Where flights from Santa Rosa go most, by departures over the trailing 12 months.
845 departures · 48,198 passengers
75.0%
Load
829 departures · 52,010 passengers
79.9%
Load
741 departures · 45,669 passengers
81.2%
Load
727 departures · 44,043 passengers
77.4%
Load
695 departures · 40,027 passengers
70.2%
Load
686 departures · 58,724 passengers
72.7%
Load
605 departures · 42,876 passengers
80.2%
Load
398 departures · 27,542 passengers
81.2%
Load
198 departures · 16,167 passengers
76.7%
Load
143 departures · 7,468 passengers
64.0%
Load
46 departures · 1,784 passengers
51.0%
Load
29 departures · 2,675 passengers
61.9%
Load
25 departures · 0 passengers
0.0%
Load
18 departures · 1,659 passengers
61.9%
Load
6 departures · 19 passengers
36.5%
Load
Airlines at Santa Rosa
Ranked by seats flown — the capacity each carrier actually operated out of Santa Rosa.
- OO
297,978 seats · 78.3% load
57.9%
Share
- AS
58,137 seats · 66.0% load
11.3%
Share
- QX
54,948 seats · 81.8% load
10.7%
Share
- MQ
38,912 seats · 78.9% load
7.6%
Share
- AA
26,880 seats · 60.9% load
5.2%
Share
- XP
26,373 seats · 71.4% load
5.1%
Share
- WN
10,861 seats · 62.6% load
2.1%
Share
- 3EQ
96 seats · 40.6% load
0.0%
Share
- 1EQ
76 seats · 1.3% load
0.0%
Share
- AN
ADVANCED AIR
45 seats · 26.7% load
0.0%
Share
Aircraft flown from Santa Rosa
Aircraft types by share of departures — what actually operated, not what's based here.
5,113 departures · 78.8% load
85.0%
Share
325 departures · 65.4% load
5.4%
Share
263 departures · 69.4% load
4.4%
Share
210 departures · 60.9% load
3.5%
Share
50 departures · 79.3% load
0.8%
Share
33 departures · 67.1% load
0.5%
Share
Cessna Citationjet
6 departures · 34.2% load
0.1%
Share
Beechcraft Super King Air
3 departures · 29.6% load
0.1%
Share
Pilatus PC-12
2 departures · 16.7% load
0.0%
Share
Bomardier Challenger 350
2 departures · 50.0% load
0.0%
Share
Gulfstream Aerospace G-III
2 departures · 56.0% load
0.0%
Share
Hawker Siddeley 125
2 departures · 37.5% load
0.0%
Share
Monthly departures from Santa Rosa
Monthly departures from Santa Rosa, trailing 12 months through April 2026. Bars scale to the busiest month.
May 2025
514 departures · 34,568 passengers
72.5%
Load
June 2025
521 departures · 36,936 passengers
76.6%
Load
July 2025
529 departures · 37,305 passengers
75.3%
Load
August 2025
517 departures · 35,363 passengers
77.0%
Load
September 2025
485 departures · 31,687 passengers
75.7%
Load
October 2025
523 departures · 33,523 passengers
79.0%
Load
November 2025
525 departures · 31,888 passengers
75.6%
Load
December 2025
461 departures · 28,705 passengers
76.6%
Load
January 2026
425 departures · 24,307 passengers
69.5%
Load
February 2026
384 departures · 23,702 passengers
78.9%
Load
March 2026
509 departures · 31,606 passengers
79.7%
Load
April 2026
624 departures · 39,799 passengers
73.2%
Load
Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.