16 active days
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Tracked directional route
BFI → ONT
King County International Airport → Ontario International Airport
BFI
KBFIKing County International AirportOpen live airport profile →DestinationONT
KONTOntario International AirportOpen live airport profile →Analysis 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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872 mi avg per flight
1 hr 45 min average
Average across flights included in analytics
2 flight numbers
Tracked activity
Aug 20 – Sep 24, 2026 · 16 active days
Flights18
Aug 20
Aug 21
Aug 25
Aug 26
Aug 27
Aug 28
Sep 1
Sep 2
Sep 3
Sep 4
Sep 9
Sep 15
Sep 16
Sep 17
Sep 18
Sep 22
Observed operators
Operators tracked on BFI → ONT
Operator activity within Aug 20 – Sep 24, 2026.
| Operator | Flights | Flight numbers | Tail numbers | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
UPS (5X)UPS | 18 | 2 | 15 | 15,688 mi | Aug 20, 2026, 1:20 PM UTC | Sep 22, 2026, 2:47 PM UTC |
Observed services
Flight numbers tracked on BFI → ONT
Open a flight number for its complete tracked profile.
Observed tail numbers
Tail numbers tracked on BFI → ONT
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Flight numbers | Tracked distance | Last observed |
|---|---|---|---|---|---|
| B763 | 2 | 1 | 1,809 mi | Sep 22, 2026, 2:47 PM UTC | |
| B763 | 2 | 1 | 1,794 mi | Sep 18, 2026, 2:39 PM UTC | |
| B763 | 2 | 1 | 1,842 mi | Sep 3, 2026, 3:12 PM UTC | |
| B763 | 1 | 1 | 853 mi | Sep 17, 2026, 2:49 PM UTC | |
| B763 | 1 | 1 | 840 mi | Sep 16, 2026, 2:49 PM UTC | |
| B763 | 1 | 1 | 838 mi | Sep 15, 2026, 3:28 PM UTC |
Observed aircraft types
Aircraft types tracked on BFI → ONT
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 |
|---|---|---|---|---|---|---|---|---|---|
| B763 | Boeing 767-300 | 18 | 100.0% | 15 | 15,688 mi | 1 | 2 | Aug 20, 2026, 1:20 PM UTC | Sep 22, 2026, 2:47 PM UTC |
Observation log
Flight observations
Latest 100 flights on BFI → ONT within Aug 20 – Sep 24, 2026