3 active days
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Tracked directional route
STS → BFI
Sonoma County Airport → King County International Airport
STS
KSTSSonoma County AirportOpen live airport profile →DestinationBFI
KBFIKing County International AirportOpen live airport profile →View return routeBFI → STSAnalysis window
Sep 11–24, 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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666 mi avg per flight
1 hr 32 min average
Average across flights included in analytics
3 flight numbers
Tracked activity
Sep 11–24, 2026 · 3 active days
Flights3
Sep 11
Sep 18
Sep 24
Observed operators
Operators tracked on STS → BFI
Operator activity within Sep 11–24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 3 | 3 | 3 | 1,999 mi | Sep 11, 2026, 2:24 PM UTC | Sep 24, 2026, 1:53 AM UTC |
Observed services
Flight numbers tracked on STS → BFI
Open a flight number for its complete tracked profile.
Observed tail numbers
Tail numbers tracked on STS → BFI
Open a tail number for its complete tracked profile.
Observed aircraft types
Aircraft types tracked on STS → BFI
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 |
|---|---|---|---|---|---|---|---|---|---|
| E55P | Embraer EMB-505 Phenom 300 | 2 | 66.7% | 2 | 1,320 mi | 1 | 2 | Sep 11, 2026, 2:24 PM UTC | Sep 24, 2026, 1:53 AM UTC |
| E545 | Embraer EMB-545 Legacy 450 | 1 | 33.3% | 1 | 679 mi | 1 | 1 | Sep 18, 2026, 10:01 PM UTC | Sep 18, 2026, 11:35 PM UTC |
Observation log
Flight observations
Latest 100 flights on STS → BFI within Sep 11–24, 2026