Airport
Nantucket Memorial Airport
ACK · Nantucket, MA
- IATA Code
- ACK
- ICAO Code
- KACK
- City
- Nantucket
- Country
- United States
Nantucket Memorial Airport is a regional airport serving Nantucket, MA. Its IATA code is ACK and its ICAO code is KACK.
The airfield sits 47 feet above sea level.
Below you'll find official on-time statistics, current weather and delays, nearby aircraft and traveler reviews. Flown through ACK recently? Share your experience to help other travelers.
ACK by the numbers
IATA ACK · ICAO KACK · 47 ft elevation · Map
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Official departure punctuality
Ranks #318 of 358 U.S. airports for on-time departures
- On-time departures
- 73.5%
- Less than 15 minutes late
- Cancelled
- 7.1%
- Of scheduled flights
- Average delay when late
- 92 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,758
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 13%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Busiest routes from ACK
| Route | Flights | On time |
|---|---|---|
| New York (LGA) | 411 | 73% |
| Boston (BOS) | 315 | 69% |
| New York (JFK) | 301 | 68% |
| Washington (DCA) | 286 | 69% |
| White Plains (HPN) | 234 | 72% |
| Philadelphia (PHL) | 152 | 77% |
| Chicago (ORD) | 35 | 68% |
| Charlotte (CLT) | 24 | 71% |
Airlines departing ACK
| Airline | Flights | On-time departures |
|---|---|---|
| JetBlue Airways | 877 | 70% |
| Republic Airways | 833 | 77% |
| Envoy Air | 24 | 83% |
| SkyWest Airlines | 24 | 74% |
Terminals, parking & amenities
Terminals (2)
- Nantucket Memorial Airport
Parking (2)
Gates (1)
1 mapped gates
Map data © OpenStreetMap contributors, ODbL.
Runways
| Runway | Length | Surface |
|---|---|---|
| 06/24 | 6,303 ft | ASP, lighted |
| 15/33 | 4,500 ft | ASP, lighted |
Listen to the tower
Air traffic control frequencies, for scanners and airband radios.
- Recorded airport information (ATIS) 127.500 MHz
- Tower 118.300 MHz
- Ground 121.700 MHz
- Clearance delivery 119.375 MHz
Runways and frequencies: OurAirports (public domain). Not for navigation.
Tags: ACK, KACK, Nantucket airport, Nantucket Memorial Airport
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