ACK

Nantucket Memorial Airport

ICAO KACK41.2531°N 70.0602°W47 ft / 14 mMedium airport
On the map
Nantucket Airport Terminal Area (11353875455)
MassDOT · Public domain · Commons

Nantucket Memorial Airport (IATA: ACK, ICAO: KACK) is a medium airport in Nantucket, Massachusetts, United States. It opened in Apr 1940. It has 2 runways; the longest is 6,303 ft (1,921 m). In 2025 it handled 302 thousand passengers.

Timeline

2 events · 1940–1958
APR 1940
OpenedNantucket Memorial Airport opens.
15 AUG 1958
DisasterNortheast Airlines Flight 258.25 killed
From Wikidata · FAAEvery airfield, 1903–2026

Runways & airfield

Schematic · N · © OpenStreetMap · FAA diagram PDF
Nantucket Memorial Airport
06/24045° / 225° · LIT
LENGTH6,303 ft1,921 mWIDTH150 ft46 mSURFACEAsphalt
15/33135° / 315° · LIT
LENGTH4,500 ft1,372 mWIDTH100 ft31 mSURFACEAsphalt

Passengers per year

2015–2025
310K
252K
224K
251K
269K
96K
270K
279K
272K
302K
302K
1516171819202122232425

Routes

15 destinations · 1 country
Most destinationsCape Air 6American Eagle 6JetBlue Airways 5Delta Connection 2United Express 2Reliant Air 1

Straight lines are great circles; rings mark true distance from ACK. Dashed: seasonal or charter. Blue: cargo. From the Wikipedia article “Nantucket Memorial Airport” (revision of 14 Sep 2026), CC BY-SA 4.0.

Records & rankings

Ranked among 48,011 open airports · world · region · country
Passengers302K (2025)1 · FEWER1 · FEWERMEDIAN · 64KMEDIAN · 64KMORE · 103MMORE · 103M#1,344of 3,974 · #304 North America · #203 USLongest runway6,303 ft1,921 m46 m · SHORT150 ft · SHORTMEDIAN · 975 mMEDIAN · 3,200 ftLONG · 5,300 mLONG · 17,388 ft#4,234of 29,823 · #1,110 North America · #857 USElevation47 ft14 m-386 m · LOW-1,266 ft · LOWMEDIAN · 240 mMEDIAN · 787 ftHIGH · 4,938 mHIGH · 16,200 ft=39,407of 43,341 · =17,868 North America · =14,753 USAgeOpened 19402026 · NEWEST2026 · NEWESTMEDIAN · 1976MEDIAN · 1976OLDEST · 1902OLDEST · 1902=1,114of 15,079 · =366 North America · =338 USRunways21 · FEWER1 · FEWERMEDIAN · 1MEDIAN · 1MORE · 8MORE · 8=713of 29,943 · =435 North America · =391 US
Scale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record

Radio frequencies

8 channels
A/DCAPE APP/DEP126.100
ATISATIS127.500
CLDCLNC DEL119.375
CTAFCTAF118.300
GNDGND121.700
RDOBRIDGEPORT RDO116.200
TWRTWR118.300
UNICUNICOM122.950