Nantucket
ACK · KACKNantucket Memorial Airport
Passengers a year
300.8K
#199 busiest in the U.S.
14
nonstop destinations
18
airlines
29
departures a day
82.6%
arrivals on time
1.6%
flights cancelled
68.9%
load factor


Airlines
JetBlue Airways is the largest carrier at Nantucket, with 42% of all passengers. 18 airlines fly from here.
Share of passengers · each carrier as a slice of the whole airport
JetBlue Airways holds 42% of the airport — the 96th most concentrated of 118 non-hub airports. The nearest comparison is SUN at 44%.
| Airline | Share | Passengers | Seats YoY | ||
|---|---|---|---|---|---|
B6 JetBlue64% full | 42.4% | 127.7K | 5 | 81.7% | +0.8% |
9K Cape Air53% full | 19.6% | 59K | 5 | — | +8.9% |
AA | 14.0% | 42.1K | 5 | — | +13% |
DL | 12.7% | 38.1K | 2 | — | +13% |
UA | 6.1% | 18.2K | 2 | — | — |
+Other airlines | 5.2% | 15.7K | — | — | — |
Share, passengers and destinations count each airline’s own flights plus the regional flying sold under its brand. On-time covers the airline's own aircraft only — regional affiliates report to the government separately. Seats year on year compares the latest twelve months against the twelve before them.
Destinations
14 nonstop destinations from Nantucket, all domestic.
100% domestic · 0% international · by departing passengers
Top domestic destinations
Cape Air · JetBlue Airways
Delta Air Lines · JetBlue Airways · American Airlines
JetBlue Airways · Delta Air Lines
18.9K18,853 departing · 61% full
JetBlue Airways · Tradewind Aviation
18K18,048 departing · 74% full
American Airlines · JetBlue Airways
United Airlines
Cape Air
5K4,954 departing · 89% full
American Airlines
New Bedford (EWB)
1.9K1,927 departing · 53% full
Cape Air
United Airlines · American Airlines
All nonstop destinations
14 nonstop · 6 airlines · 14 domestic / 0 intl
American Eagle · operated by Envoy Air, Republic Airways
United Express · operated by GoJet Airlines, SkyWest Airlines
Aircraft
By share of departures at Nantucket.
Body class · share of departures
Cessna C-402
7,127 departures · 53% full
68.1%
Pilatus PC-12
1,594 departures · 59% full
15.2%
- Regional
666 departures · 81% full
6.4%
- Regional
478 departures · 68% full
4.6%
- Narrowbody
377 departures · 61% full
3.6%
Bombardier CRJ-550
189 departures · 84% full
1.8%
Cessna 208 Caravan
11 departures · 32% full
0.1%
Bombardier BD-700 Global Express
7 departures · 18% full
0.1%
Gulfstream Aerospace G500
3 departures · 15% full
0.0%
- Unclassified
3 departures · 32% full
0.0%
When Nantucket is busiest
Departures by month over the trailing year. Bars scale to the busiest month.
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Departures a month · peak August 2025
Annual passengers since 1992
Total passengers, arriving and departing, in every year on record.
Passengers a year
Every year
- 1992
- 65,841
- 1993
- 76,546
- 1994
- 56,775
- 1995
- 92,899
- 1996
- 58,207
- 1997
- 32,941
- 1998
- 24,188
- 1999
- 15,523
- 2000
- 14,516
- 2001
- 16,741
- 2002
- 82,557
- 2003
- 306,565
- 2004
- 314,757
- 2005
- 323,055
- 2006
- 327,174
- 2007
- 334,800
- 2008
- 296,599
- 2009
- 228,026
- 2010
- 227,228
- 2011
- 326,651
- 2012
- 356,754
- 2013
- 360,234
- 2014
- 339,218
- 2015
- 308,896
- 2016
- 251,526
- 2017
- 223,927
- 2018
- 251,059
- 2019
- 269,075
- 2020
- 95,790
- 2021
- 269,968
- 2022
- 279,162
- 2023
- 271,789
- 2024
- 302,225
- 2025
- 302,091
- 2026
- 25,698 so far
Arriving on time
Of every 100 flights landing at Nantucket, 83 touch down within 15 minutes of schedule, 15 arrive late, and 2 are cancelled.
Every 100 arrivals
11 min
average delay
27
flights cancelled
1.6K
arrivals measured
What holds flights up
Share of delay minutes
Most reliable here
Republic Airways 83.8%
Least reliable here
JetBlue Airways 81.7%
Among US airports
#199
On time, month by month
J
A
S
O
M
J
Darker is better · 79.5%–88.5%
The weak spot is July 2025, when 79.5% of arrivals landed on time — 3.1 points below the year. The strongest was August 2025 at 88.5%.
Frequently asked
How busy is Nantucket Memorial Airport (ACK)?
Nantucket Memorial Airport handled about 300.8K passengers over the trailing 12 months, ranking #199 among U.S. airports by passengers, with roughly 29 departures a day.
Which airline is the largest at Nantucket Memorial Airport (ACK)?
JetBlue Airways is the largest carrier at Nantucket (ACK), flying about 42% of its passengers. 18 airlines serve Nantucket in total.
How many places can you fly nonstop from Nantucket Memorial Airport (ACK)?
Nantucket (ACK) has 14 nonstop destinations, all domestic.
How often do flights arrive on time at Nantucket Memorial Airport (ACK)?
About 82.6% of flights arriving at Nantucket (ACK) touch down within 15 minutes of schedule, per US DOT figures. About 1.6% are cancelled.
What aircraft flies most from Nantucket Memorial Airport (ACK)?
The Cessna C-402 flew the largest share of departures from Nantucket (ACK), about 68% of the total.
Departing counts passengers leaving Nantucket. Data: traffic June 2025 – May 2026, on-time July 2025 – June 2026. Source: US DOT Bureau of Transportation Statistics (T-100 Segment, On-Time Performance).