Apparatus

Try JFK, AAL1290, BAW, or N225AN.

route Route

BFI → ACK

4,129 km avg 4h 30m 0 airlines

Departure

BFI KBFI VFR

King County International Airport - Boeing Field

Seattle, US

Local time
11:48 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
21 ft
Coordinates
47.5270, -122.2999

cloud Weather

Wind
160° / 3 kt
Visibility
10 SM
Ceiling
FEW 900 ft, SCT 17,000 ft, BKN 20,000 ft
Temp / Dew
14°C / 10°C
Altimeter
30.18 inHg

Obs: 2026-10-16T17:53:00.000Z

Raw METAR / TAF 
METAR KBFI 161753Z 16003KT 10SM FEW009 SCT170 BKN200 14/10 A3018 RMK AO2 SLP219 T01440100 10144 20072 58008

TAF KBFI 161720Z 1618/1718 13004KT 6SM BR FEW003 SCT030 FM161900 15004KT P6SM SCT250 FM170700 19006KT P6SM SCT025 BKN050 OVC070 FM171100 19006KT P6SM -RA OVC020 FM171700 18005KT P6SM OVC025

flight Live Traffic

flight_takeoff 18 Departures
flight_land 27 Arrivals

Arrival

ACK KACK LIFR

Nantucket Memorial Airport

Nantucket, US

Local time
14:48 EDT
Timezone
America/New_York
Type
Medium Airport
Elevation
47 ft
Coordinates
41.2531, -70.0602

cloud Weather

Wind
200° / 15G24 kt
Visibility
3 SM
Ceiling
OVC 300 ft
Temp / Dew
18°C / 18°C
Altimeter
29.76 inHg
Wx
BR

Obs: 2026-10-16T18:00:00.000Z

Raw METAR / TAF 
SPECI KACK 161800Z 20015G24KT 3SM BR OVC003 18/18 A2976 RMK AO2 T01830178

TAF KACK 161720Z 1618/1718 17012G24KT 3SM BR VCSH OVC003 WS020/20050KT FM162300 23016G26KT 3/4SM BR VCSH OVC003 TEMPO 1700/1704 SHRA FM170800 34017G31KT P6SM -SHRA OVC025

flight Live Traffic

flight_takeoff 12 Departures
flight_land 8 Arrivals
Flights tracked
1
Avg duration
4h 30m
Distance
4,129 km

Live traffic

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

Recent flights last 1

DateFlightAircraftTakeoffLandingDurationArr Δ
2026-06-14 N17XR A118F1 Jun 14, 17:20 UTCJun 14, 21:50 UTC4h 30m -

BFI → ACK frequently asked

How long is the flight from BFI to ACK?
Average flight time on the BFI–ACK route is 4h 30m, covering approximately 4,129 km (2,564 mi).
What is the distance from BFI to ACK?
The great-circle distance from BFI to ACK is approximately 4,129 km (2,564 miles).
How many flights per week from BFI to ACK?
We've observed ~1 flight per day on this route across our tracking data (1 total flight recorded).
Can I track BFI–ACK flights live?
Yes. The live tracker map above shows aircraft currently flying this route, filtered by departure and arrival airport.