9 active days
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Tracked directional route
BFI → SUN
King County International Airport → Friedman Memorial Airport
BFI
KBFIKing County International AirportOpen live airport profile →DestinationSUN
KSUNFriedman Memorial AirportOpen live airport profile →View return routeSUN → BFIAnalysis window
Aug 20 – Sep 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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536 mi avg per flight
1 hr 12 min average
Average across flights included in analytics
8 flight numbers
Tracked activity
Aug 20 – Sep 24, 2026 · 9 active days
Flights9
Aug 20
Aug 22
Aug 29
Sep 3
Sep 5
Sep 8
Sep 17
Sep 18
Sep 22
Observed operators
Operators tracked on BFI → SUN
Operator activity within Aug 20 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| 5 | 5 | 5 | 2,642 mi | Aug 22, 2026, 4:42 PM UTC | Sep 8, 2026, 2:48 PM UTC | |
| 2 | 1 | 1 | 1,087 mi | Sep 17, 2026, 6:16 PM UTC | Sep 22, 2026, 4:59 AM UTC | |
| 2 | 2 | 2 | 1,095 mi | Aug 20, 2026, 3:13 PM UTC | Sep 18, 2026, 8:43 PM UTC |
Observed services
Flight numbers tracked on BFI → SUN
Open a flight number for its complete tracked profile.
| Flight number | Flights | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|
| 2 | 1 | 1,087 mi | Sep 17, 2026, 6:16 PM UTC | Sep 22, 2026, 4:59 AM UTC | |
| 1 | 1 | 579 mi | Sep 18, 2026, 7:25 PM UTC | Sep 18, 2026, 8:43 PM UTC | |
| 1 | 1 | 529 mi | Sep 8, 2026, 1:41 PM UTC | Sep 8, 2026, 2:48 PM UTC | |
| 1 | 1 | 525 mi | Sep 5, 2026, 5:20 PM UTC | Sep 5, 2026, 6:29 PM UTC | |
| 1 | 1 | 517 mi | Sep 3, 2026, 4:40 PM UTC | Sep 3, 2026, 5:47 PM UTC | |
| 1 | 1 | 556 mi | Aug 29, 2026, 2:31 PM UTC | Aug 29, 2026, 3:50 PM UTC | |
Observed tail numbers
Tail numbers tracked on BFI → SUN
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| GLF4 | 2 | 1 | 1,087 mi | Sep 22, 2026, 4:59 AM UTC | |
| CL30 | 1 | 1 | 579 mi | Sep 18, 2026, 8:43 PM UTC | |
| CL35 | 1 | 1 | 529 mi | Sep 8, 2026, 2:48 PM UTC | |
| E545 | 1 | 1 | 525 mi | Sep 5, 2026, 6:29 PM UTC | |
| E545 | 1 | 1 | 517 mi | Sep 3, 2026, 5:47 PM UTC | |
| E55P | 1 | 1 | 556 mi | Aug 29, 2026, 3:50 PM UTC |
Observed aircraft types
Aircraft types tracked on BFI → SUN
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 |
|---|---|---|---|---|---|---|---|---|---|
| E545 | Embraer EMB-545 Legacy 450 | 3 | 33.3% | 3 | 1,557 mi | 1 | 3 | Aug 22, 2026, 4:42 PM UTC | Sep 5, 2026, 6:29 PM UTC |
| GLF4 | — | 2 | 22.2% | 1 | 1,087 mi | 1 | 1 | Sep 17, 2026, 6:16 PM UTC | Sep 22, 2026, 4:59 AM UTC |
| CL30 | Bombardier Challenger 300 | 2 | 22.2% | 2 | 1,095 mi | 1 | 2 | Aug 20, 2026, 3:13 PM UTC | Sep 18, 2026, 8:43 PM UTC |
| CL35 | Bombardier Challenger 350 | 1 | 11.1% | 1 | 529 mi | 1 | 1 | Sep 8, 2026, 1:41 PM UTC | Sep 8, 2026, 2:48 PM UTC |
| E55P | Embraer EMB-505 Phenom 300 | 1 | 11.1% | 1 | 556 mi | 1 | 1 | Aug 29, 2026, 2:31 PM UTC | Aug 29, 2026, 3:50 PM UTC |
Observation log
Flight observations
Latest 100 flights on BFI → SUN within Aug 20 – Sep 24, 2026