Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

BFI → ONT

1,548 km avg 1h 38m 1 airline

Departure

BFI KBFI VFR

King County International Airport - Boeing Field

Seattle, US

Local time
06:01 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
21 ft
Coordinates
47.5270, -122.2999

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
SCT 23,000 ft
Temp / Dew
8°C / 4°C
Altimeter
29.85 inHg

Obs: 2026-04-19T12:53:00.000Z

Raw METAR / TAF 
METAR KBFI 191253Z 00000KT 10SM SCT230 08/04 A2985 RMK AO2 SLP107 T00780044

TAF KBFI 191120Z 1912/2012 VRB03KT P6SM SCT200 FM191800 34005KT P6SM BKN200 FM192200 30006KT P6SM BKN200 FM200300 VRB03KT P6SM SCT200

flight Live Traffic

flight_takeoff 11 Departures
flight_land 11 Arrivals

Arrival

ONT KONT VFR

Ontario International Airport

Ontario, US

Local time
06:01 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
944 ft
Coordinates
34.0560, -117.6010

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
16°C / 7°C
Altimeter
29.87 inHg

Obs: 2026-04-19T12:53:00.000Z

Raw METAR / TAF 
METAR KONT 191253Z 00000KT 10SM BKN250 16/07 A2987 RMK AO2 SLP101 T01560072 $

TAF KONT 191130Z 1912/2018 VRB04KT P6SM SCT200 FM192100 25012KT P6SM SCT250 FM200600 26007KT P6SM FEW250

flight Live Traffic

flight_takeoff 50 Departures
flight_land 54 Arrivals
Flights tracked
7
Avg duration
1h 38m
Distance
1,548 km

Live traffic

BFI → ONT. Live aircraft currently filed on this route.

Airlines 1

Airline Flights shown
United Parcel Service 5

Other connections

More destinations from BFI

More origins to ONT

Recent flights last 7

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-04-17 UPS2983 A4080C Apr 17, 13:22 UTCApr 17, 15:14 UTC1h 52m +6m
2026-04-17 UPS983 A3778E Apr 17, 03:20 UTCApr 17, 04:45 UTC1h 26m -
2026-04-17 UPS983 A3778E Apr 17, 02:47 UTCApr 17, 04:43 UTC1h 56m +4m
2026-04-16 UPS983 A420AF Apr 16, 03:09 UTCApr 16, 05:05 UTC1h 55m -
2026-04-15 UPS983 A4570A Apr 15, 05:00 UTCApr 15, 05:10 UTC10m -
2026-04-15 UPS983 A4570A Apr 15, 02:59 UTCApr 15, 05:07 UTC2h 8m +11m
2026-04-14 UPS2983 A53EEF Apr 14, 12:57 UTCApr 14, 14:57 UTC2h 0m +7m

BFI → ONT frequently asked

How long is the flight from BFI to ONT?
Average flight time on the BFI–ONT route is 1h 38m, covering approximately 1,548 km (961 mi).
What is the distance from BFI to ONT?
The great-circle distance from BFI to ONT is approximately 1,548 km (961 miles).
Which airlines fly from BFI to ONT?
1 airline operates this route in our records: United Parcel Service.
How many flights per week from BFI to ONT?
We've observed ~2 flights per day on this route across our tracking data (7 total flights recorded).
Can I track BFI–ONT flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.