Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

BFI → STL

2,745 km avg 3h 20m 0 airlines

Departure

BFI KBFI MVFR

King County International Airport - Boeing Field

Seattle, US

Local time
03:23 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
21 ft
Coordinates
47.5270, -122.2999

cloud Weather

Wind
250° / 3 kt
Visibility
10 SM
Ceiling
OVC 2,400 ft
Temp / Dew
16°C / 11°C
Altimeter
30.00 inHg

Obs: 2026-08-29T09:53:00.000Z

Raw METAR / TAF 
METAR KBFI 290953Z 25003KT 10SM OVC024 16/11 A3000 RMK AO2 SLP157 T01610111

TAF KBFI 290851Z 2909/3006 00000KT P6SM -SHRA BKN025 OVC035 FM291200 17005KT P6SM -SHRA OVC015 FM291800 19007KT P6SM -SHRA BKN020 OVC030 FM292000 19006KT P6SM -SHRA BKN040 FM300000 23008KT P6SM SCT050 BKN100

flight Live Traffic

flight_takeoff 1 Departures
flight_land 4 Arrivals

Arrival

STL KSTL VFR

St. Louis Lambert International Airport

St Louis, US

Local time
05:23 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
618 ft
Coordinates
38.7487, -90.3700

cloud Weather

Wind
90° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
21°C / 16°C
Altimeter
30.13 inHg

Obs: 2026-08-29T09:51:00.000Z

Raw METAR / TAF 
METAR KSTL 290951Z 09003KT 10SM CLR 21/16 A3013 RMK AO2 SLP190 T02060156

TAF KSTL 290905Z 2909/3012 VRB04KT P6SM FEW250 FM291600 16008KT P6SM FEW070 SCT250

flight Live Traffic

flight_takeoff 53 Departures
flight_land 38 Arrivals
Flights tracked
2
Avg duration
3h 20m
Distance
2,745 km

Live traffic

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

Recent flights last 2

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-06-23 SWA3632 ABE40A Jun 23, 16:59 UTCJun 23, 20:10 UTC3h 10m -
2026-05-28 N755PA AA2DE2 May 28, 16:10 UTCMay 28, 19:40 UTC3h 30m -

BFI → STL frequently asked

How long is the flight from BFI to STL?
Average flight time on the BFI–STL route is 3h 20m, covering approximately 2,745 km (1,705 mi).
What is the distance from BFI to STL?
The great-circle distance from BFI to STL is approximately 2,745 km (1,705 miles).
How many flights per week from BFI to STL?
We've observed ~1 flight per day on this route across our tracking data (2 total flights recorded).
Can I track BFI–STL flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.