Apparatus

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flight_takeoff Flight

KAP5421

Operated by Cape Air

Live map

Live map filtered to KAP5421. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ACK KACK VFR

Nantucket Memorial Airport

Nantucket, US

Local time
16:58 EDT
Timezone
America/New_York
Type
Medium Airport
Elevation
47 ft
Coordinates
41.2531, -70.0602

cloud Weather

Wind
160° / 8 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
15°C / 10°C
Altimeter
30.12 inHg

Obs: 2026-06-02T19:53:00.000Z

Raw METAR / TAF 
METAR KACK 021953Z 16008KT 10SM CLR 15/10 A3012 RMK AO2 SLP198 T01500100

TAF KACK 022009Z 0220/0318 21008KT P6SM FEW250 FM031000 31004KT P6SM FEW250 FM031400 01009KT P6SM SKC FM031700 19008KT P6SM SKC

flight Live Traffic

flight_takeoff 14 Departures
flight_land 4 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
16:58 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
130° / 7 kt
Visibility
10 SM
Ceiling
FEW 5,000 ft, FEW 9,000 ft, BKN 22,000 ft
Temp / Dew
21°C / 9°C
Altimeter
30.06 inHg

Obs: 2026-06-02T19:54:00.000Z

Raw METAR / TAF 
METAR KBOS 021954Z 13007KT 10SM FEW050 FEW090 BKN220 21/09 A3006 RMK AO2 SLP179 T02110094 $

TAF KBOS 022009Z 0220/0324 13008KT P6SM SKC FM022300 31006KT P6SM FEW150 FM031400 06008KT P6SM FEW150

flight Live Traffic

flight_takeoff 200 Departures
flight_land 228 Arrivals

Recent history last 3

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-31 AD7DC8 ACK → BOS May 31, 16:00 UTCMay 31, 16:45 UTC45m - -
2026-05-25 A08689 ACK → BOS May 25, 21:24 UTCMay 25, 22:10 UTC45m - -
2026-04-26 AD2ECA ACK → BOS Apr 26, 11:50 UTCApr 26, 12:25 UTC35m - -

Performance history

Flights tracked
3
Avg arrival delay
-
On-time arrival
-
Aircraft used
3

Monthly activity 2 months

Month Flights tracked
May 2026 2
April 2026 1

KAP5421 frequently asked

Where does flight KAP5421 fly?
KAP5421 (Cape Air) flies from ACK to BOS. View the full route page.
How long is flight KAP5421?
Based on observed flights, KAP5421 takes on average 42m from takeoff to landing.
How often does KAP5421 fly?
KAP5421 has been observed flying occasionally in our tracking data. We've recorded 3 flights under this callsign.
What aircraft operates flight KAP5421?
KAP5421 has been operated by 3 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track KAP5421 live?
Yes. When KAP5421 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.