Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

SFO → BFI

128 km avg 57m 1 airline

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
20:16 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 15 kt
Visibility
10 SM
Ceiling
FEW 2,800 ft
Temp / Dew
12°C / 7°C
Altimeter
30.14 inHg

Obs: 2026-04-15T02:56:00.000Z

Raw METAR / TAF 
METAR KSFO 150256Z 29015KT 10SM FEW028 12/07 A3014 RMK AO2 SLP206 T01220067 58010 $

TAF KSFO 150307Z 1503/1606 28015KT P6SM SCT025 FM150800 27011KT P6SM SCT025 BKN150 FM151800 27018KT P6SM BKN150

flight Live Traffic

flight_takeoff 243 Departures
flight_land 257 Arrivals

Arrival

BFI KBFI MVFR

King County International Airport - Boeing Field

Seattle, US

Local time
20:16 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
21 ft
Coordinates
47.5270, -122.2999

cloud Weather

Wind
170° / 14G21 kt
Visibility
7 SM
Ceiling
BKN 2,000 ft, BKN 2,900 ft, OVC 3,700 ft
Temp / Dew
8°C / 7°C
Altimeter
29.79 inHg
Wx
-RA BR

Obs: 2026-04-15T02:53:00.000Z

Raw METAR / TAF 
METAR KBFI 150253Z 17014G21KT 7SM -RA BR BKN020 BKN029 OVC037 08/07 A2979 RMK AO2 SLP088 P0002 60018 T00830067 56024

TAF KBFI 150301Z 1503/1524 17012G24KT 6SM -RA BR BKN020 OVC030 FM150400 18010G18KT P6SM VCSH SCT030 BKN040 FM150900 14006KT P6SM OVC050 FM151500 17005KT P6SM VCSH SCT025 BKN035 FM151900 20010KT P6SM -SHRA SCT035 BKN050 FM152100 25008KT 6SM -RA SCT025 BKN040

flight Live Traffic

flight_takeoff 18 Departures
flight_land 8 Arrivals
Flights tracked
2
Avg duration
57m
Distance
128 km

Live traffic

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

Airlines 1

Airline Flights shown
Air St. Thomas 2

Other connections

More destinations from SFO

More origins to BFI

Recent flights last 2

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-04-12 STT68 A29E03 Apr 12, 20:00 UTCApr 12, 20:15 UTC15m -
2026-04-12 STT68 A29E03 Apr 12, 17:15 UTCApr 12, 18:55 UTC1h 40m -

SFO → BFI frequently asked

How long is the flight from SFO to BFI?
Average flight time on the SFO–BFI route is 57m, covering approximately 128 km (79 mi).
What is the distance from SFO to BFI?
The great-circle distance from SFO to BFI is approximately 128 km (79 miles).
Which airlines fly from SFO to BFI?
1 airline operates this route in our records: Air St. Thomas.
How many flights per week from SFO to BFI?
We've observed ~2 flights per day on this route across our tracking data (2 total flights recorded).
Can I track SFO–BFI flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.