5 active days
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Tracked directional route
STS → SFO
Sonoma County Airport → San Francisco International Airport
STS
KSTSSonoma County AirportOpen live airport profile →DestinationSFO
KSFOSan Francisco International AirportOpen live airport profile →View return routeSFO → STSAnalysis window
Sep 1–24, 2026
Every derived statistic, trend, operator and tail number breakdown, flight observation, and mapped path below uses this flight-date window.
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111 mi avg per flight
25 min average
Average across flights included in analytics
5 flight numbers
Tracked activity
Sep 1–24, 2026 · 5 active days
Flights5
Sep 1
Sep 4
Sep 6
Sep 9
Sep 11
Observed operators
Operators tracked on STS → SFO
Operator activity within Sep 1–24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 2 | 2 | 2 | 221 mi | Sep 4, 2026, 8:45 PM UTC | Sep 9, 2026, 9:40 PM UTC | |
| 1 | 1 | 1 | 119 mi | Sep 11, 2026, 12:48 AM UTC | Sep 11, 2026, 1:14 AM UTC | |
| 1 | 1 | 1 | 107 mi | Sep 6, 2026, 6:02 PM UTC | Sep 6, 2026, 6:30 PM UTC | |
| 1 | 1 | 1 | 111 mi | Sep 1, 2026, 1:46 AM UTC | Sep 1, 2026, 2:10 AM UTC |
Observed services
Flight numbers tracked on STS → SFO
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 1 | 1 | 119 mi | Sep 11, 2026, 12:48 AM UTC | Sep 11, 2026, 1:14 AM UTC | |
| 1 | 1 | 119 mi | Sep 9, 2026, 9:14 PM UTC | Sep 9, 2026, 9:40 PM UTC | |
| 1 | 1 | 107 mi | Sep 6, 2026, 6:02 PM UTC | Sep 6, 2026, 6:30 PM UTC | |
| 1 | 1 | 102 mi | Sep 4, 2026, 8:45 PM UTC | Sep 4, 2026, 9:07 PM UTC | |
| 1 | 1 | 111 mi | Sep 1, 2026, 1:46 AM UTC | Sep 1, 2026, 2:10 AM UTC |
Observed tail numbers
Tail numbers tracked on STS → SFO
Open a tail number for its complete tracked profile.
Observed aircraft types
Aircraft types tracked on STS → SFO
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Operators | Flight numbers | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|---|
| CL30 | Bombardier Challenger 300 | 2 | 40.0% | 2 | 230 mi | 2 | 2 | Sep 1, 2026, 1:46 AM UTC | Sep 11, 2026, 1:14 AM UTC |
| E545 | Embraer EMB-545 Legacy 450 | 1 | 20.0% | 1 | 119 mi | 1 | 1 | Sep 9, 2026, 9:14 PM UTC | Sep 9, 2026, 9:40 PM UTC |
| BE9L | Beechcraft Model 90 King Air | 1 | 20.0% | 1 | 107 mi | 1 | 1 | Sep 6, 2026, 6:02 PM UTC | Sep 6, 2026, 6:30 PM UTC |
| CL35 | Bombardier Challenger 350 | 1 | 20.0% | 1 | 102 mi | 1 | 1 | Sep 4, 2026, 8:45 PM UTC | Sep 4, 2026, 9:07 PM UTC |
Observation log
Flight observations
Latest 100 flights on STS → SFO within Sep 1–24, 2026