Apparatus

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flight_takeoff Flight

KAP5121

Operated by Cape Air

Live map

Live map filtered to KAP5121. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ACK KACK VFR

Nantucket Memorial Airport

Nantucket, US

Local time
03:06 EDT
Timezone
America/New_York
Type
Medium Airport
Elevation
47 ft
Coordinates
41.2531, -70.0602

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
18°C / 17°C
Altimeter
30.03 inHg

Obs: 2026-07-18T06:53:00.000Z

Raw METAR / TAF 
METAR KACK 180653Z AUTO 00000KT 10SM CLR 18/17 A3003 RMK AO1 SLP169 T01780167

TAF KACK 180527Z 1806/1906 22006KT P6SM SCT250 FM181100 19011KT 6SM FU BKN250 FM181600 19015G24KT P6SM SCT030 BKN150 FM181900 20016G25KT 2SM +SHRA VCTS OVC030CB FM190100 23015G28KT 6SM -SHRA BR OVC003

flight Live Traffic

flight_takeoff 3 Departures
flight_land 1 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
03:06 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
190° / 6 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
18°C / 12°C
Altimeter
30.00 inHg

Obs: 2026-07-18T06:54:00.000Z

Raw METAR / TAF 
METAR KBOS 180654Z 19006KT 10SM FEW250 18/12 A3000 RMK AO2 SLP160 T01830117

TAF KBOS 180527Z 1806/1912 17005KT P6SM SCT240 FM181100 21007KT 6SM FU BKN250 FM181800 21015G28KT P6SM VCSH SCT020 OVC050 FM182200 21016G28KT P6SM OVC020 FM190100 23015G24KT P6SM OVC010 PROB30 1901/1903 5SM -TSRA OVC025CB FM190300 25013KT P6SM SCT010 FM191000 29012G20KT P6SM SCT150

flight Live Traffic

flight_takeoff 45 Departures
flight_land 69 Arrivals

Recent history last 13

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-02 A2957A ACK → BOS Jul 2, 16:50 UTCJul 2, 17:20 UTC30m - -
2026-06-28 A447D5 ACK → BOS Jun 28, 17:34 UTCJun 28, 18:10 UTC35m - -
2026-06-14 A447D5 ACK → BOS Jun 14, 18:05 UTCJun 14, 18:45 UTC40m - -
2026-06-07 A4B4C5 ACK → BOS Jun 7, 17:30 UTCJun 7, 18:15 UTC45m - -
2026-06-03 ADD65B ACK → BOS Jun 3, 17:35 UTCJun 3, 18:05 UTC30m - -
2026-06-01 ADD65B ACK → BOS Jun 1, 14:25 UTCJun 1, 15:00 UTC35m - -
2026-05-25 A909B8 ACK → BOS May 25, 19:25 UTCMay 25, 20:09 UTC45m - -
2026-05-19 A9AB2D ACK → BOS May 19, 20:10 UTCMay 19, 20:50 UTC40m - -
2026-05-17 A5A725 ACK → BOS May 17, 17:55 UTCMay 17, 18:30 UTC35m - -
2026-05-15 A447D5 ACK → BOS May 15, 18:05 UTCMay 15, 18:40 UTC35m - -
2026-05-11 A3FF01 ACK → BOS May 11, 17:40 UTCMay 11, 18:15 UTC35m - -
2026-05-08 A9FDE2 ACK → BOS May 8, 14:45 UTCMay 8, 15:15 UTC30m - -
2026-05-04 A8F51B ACK → BOS May 4, 18:05 UTCMay 4, 18:50 UTC46m - -

Performance history

Flights tracked
13
Avg arrival delay
-
On-time arrival
-
Aircraft used
10

Monthly activity 3 months

Month Flights tracked
July 2026 1
June 2026 5
May 2026 7

KAP5121 frequently asked

Where does flight KAP5121 fly?
KAP5121 (Cape Air) flies from ACK to BOS. View the full route page.
How long is flight KAP5121?
Based on observed flights, KAP5121 takes on average 37m from takeoff to landing.
How often does KAP5121 fly?
KAP5121 has been observed flying several times a week in our tracking data. We've recorded 13 flights under this callsign.
What aircraft operates flight KAP5121?
KAP5121 has been operated by 10 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track KAP5121 live?
Yes. When KAP5121 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.