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 IFR

Nantucket Memorial Airport

Nantucket, US

Local time
11:47 EDT
Timezone
America/New_York
Type
Medium Airport
Elevation
47 ft
Coordinates
41.2531, -70.0602

cloud Weather

Wind
180° / 13 kt
Visibility
3 SM
Ceiling
OVC 500 ft
Temp / Dew
16°C / 16°C
Altimeter
29.88 inHg
Wx
-RA BR

Obs: 2026-10-16T15:29:00.000Z

Raw METAR / TAF 
SPECI KACK 161529Z 18013KT 3SM -RA BR OVC005 16/16 A2988 RMK AO2 P0001 T01610156

TAF KACK 161122Z 1612/1712 16015G26KT P6SM BKN050 FM161500 18019G29KT P6SM VCSH OVC020 WS020/22050KT FM161800 19020G28KT 3SM BR VCSH OVC008 WS020/20050KT FM162000 21018G25KT 2SM BR VCSH OVC003 FM162300 23016G26KT 3/4SM BR VCSH OVC003 TEMPO 1700/1703 SHRA FM170800 34017G31KT P6SM -SHRA OVC025

flight Live Traffic

flight_takeoff 13 Departures
flight_land 8 Arrivals

Arrival

BOS KBOS IFR

Boston Logan International Airport

Boston, US

Local time
11:47 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
180° / 10 kt
Visibility
7 SM
Ceiling
OVC 900 ft
Temp / Dew
14°C / 13°C
Altimeter
29.79 inHg
Wx
-RA

Obs: 2026-10-16T15:18:00.000Z

Raw METAR / TAF 
SPECI KBOS 161518Z 18010KT 7SM -RA OVC009 14/13 A2979 RMK AO2 RAE1458B15 P0000 T01390133 $

TAF KBOS 161402Z 1614/1718 17011KT 5SM -RA FEW008 BKN015 WS020/20050KT TEMPO 1614/1617 3SM SHRA OVC008 FM161700 22012G24KT 6SM BR SCT008 OVC010 TEMPO 1623/1702 27025G35KT 2SM +SHRA OVC005 FM170200 26010KT P6SM VCSH BKN020 WS020/26040KT FM170500 28012G21KT P6SM BKN070 FM171400 33014G26KT P6SM SCT050

warning FAA Advisories

  • Ground Delay: low ceilings (avg 40 minutes)

flight Live Traffic

flight_takeoff 216 Departures
flight_land 192 Arrivals

Recent history last 14

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A29931 ACK → BOS Jul 26, 17:45 UTCJul 26, 18:15 UTC30m - -
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
14
Avg arrival delay
-
On-time arrival
-
Aircraft used
11

Monthly activity 3 months

Month Flights tracked
July 2026 2
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 36m 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 14 flights under this callsign.
What aircraft operates flight KAP5121?
KAP5121 has been operated by 11 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.