Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

COS → BFI

1,718 km avg 2h 43m 0 airlines

Departure

COS KCOS VFR

City of Colorado Springs Municipal Airport

Colorado Springs, US

Local time
13:51 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
6,187 ft
Coordinates
38.8058, -104.7010

cloud Weather

Wind
160° / 11G16 kt
Visibility
10 SM
Ceiling
FEW 8,500 ft
Temp / Dew
23°C / 6°C
Altimeter
30.15 inHg

Obs: 2026-09-20T18:54:00.000Z

Raw METAR / TAF 
METAR KCOS 201854Z 16011G16KT 10SM FEW085 23/06 A3015 RMK AO2 SLP131 T02330061 $

TAF KCOS 201720Z 2018/2118 16012KT P6SM SKC TEMPO 2018/2021 16012G22KT FM202100 06012G22KT P6SM SCT090 FM210200 01007KT P6SM BKN090 PROB30 2102/2107 VRB20G32KT -TSRA BKN040CB FM210900 12005KT P6SM OVC020 TEMPO 2110/2114 3SM BR OVC015 FM211500 17005KT P6SM BKN050

flight Live Traffic

flight_takeoff 20 Departures
flight_land 14 Arrivals

Arrival

BFI KBFI VFR

King County International Airport - Boeing Field

Seattle, US

Local time
12:51 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
21 ft
Coordinates
47.5270, -122.2999

cloud Weather

Wind
290° / 5 kt
Visibility
10 SM
Ceiling
FEW 1,000 ft
Temp / Dew
17°C / 12°C
Altimeter
30.09 inHg

Obs: 2026-09-20T18:53:00.000Z

Raw METAR / TAF 
METAR KBFI 201853Z 29005KT 10SM FEW010 17/12 A3009 RMK AO2 SLP189 T01720117

TAF KBFI 201720Z 2018/2118 06003KT P6SM SCT010 SCT020 FM201900 31003KT P6SM SCT035 FM202000 31005KT P6SM SKC FM210300 32003KT P6SM SKC FM211300 VRB03KT P6SM BKN020

flight Live Traffic

flight_takeoff 19 Departures
flight_land 25 Arrivals
Flights tracked
5
Avg duration
2h 43m
Distance
1,718 km

Live traffic

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

Recent flights last 5

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-07-13 LXJ431 A52768 Jul 13, 19:50 UTCJul 13, 22:15 UTC2h 25m -
2026-07-11 N581RS A77B27 Jul 11, 21:05 UTCJul 11, 23:55 UTC2h 50m -
2026-05-05 N746TX AA0A93 May 5, 12:25 UTCMay 5, 15:10 UTC2h 45m -
2026-04-26 N525E A69BE5 Apr 26, 14:25 UTCApr 26, 17:25 UTC3h 0m -
2026-04-21 N56JP A72567 Apr 21, 14:31 UTCApr 21, 17:05 UTC2h 35m -

COS → BFI frequently asked

How long is the flight from COS to BFI?
Average flight time on the COS–BFI route is 2h 43m, covering approximately 1,718 km (1,067 mi).
What is the distance from COS to BFI?
The great-circle distance from COS to BFI is approximately 1,718 km (1,067 miles).
How many flights per week from COS to BFI?
We've observed ~1 flight per day on this route across our tracking data (5 total flights recorded).
Can I track COS–BFI flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.