Countries › United States › Nantucket › ACK Nantucket Memorial (ACK) ACK / KACK
14,407
Nantucket Memorial Airport handled 14,407 passengers in May 2026, up 1.3% on a year earlier, according to US Bureau of Transportation Statistics — T-100 Air Carrier Statistics .
Full count · domestic + international Flight timing & delays ↓
Passengers over time Showing 53 months. Full series runs 1992–2026 (371 periods).
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From → To
Against 2019 -4.6% same month, before the pandemic
Series depth 34 years from 1992
The most recent periods Open any period for the full breakdown. As published Newest first Oldest first Highest first Lowest first 24 of 24
Period Passengers Year on year Source May 2026 14,407 +1.3% US Bureau of Transportation Statistics Open this month → April 2026 4,147 −16.0% US Bureau of Transportation Statistics Open this month → March 2026 2,728 −15.6% US Bureau of Transportation Statistics Open this month → February 2026 2,077 +0.6% US Bureau of Transportation Statistics Open this month → January 2026 2,339 −9.2% US Bureau of Transportation Statistics Open this month → December 2025 4,826 −12.0% US Bureau of Transportation Statistics Open this month → November 2025 4,317 −4.1% US Bureau of Transportation Statistics Open this month → October 2025 16,956 −0.2% US Bureau of Transportation Statistics Open this month → September 2025 39,122 +0.0% US Bureau of Transportation Statistics Open this month → August 2025 84,799 +12.1% US Bureau of Transportation Statistics Open this month → July 2025 77,915 −0.3% US Bureau of Transportation Statistics Open this month → June 2025 47,130 −6.3% US Bureau of Transportation Statistics Open this month → May 2025 14,217 −27.2% US Bureau of Transportation Statistics Open this month → April 2025 4,937 +0.3% US Bureau of Transportation Statistics Open this month → March 2025 3,233 −7.4% US Bureau of Transportation Statistics Open this month → February 2025 2,064 −5.8% US Bureau of Transportation Statistics Open this month → January 2025 2,575 +37.2% US Bureau of Transportation Statistics Open this month → December 2024 5,485 +65.4% US Bureau of Transportation Statistics Open this month → November 2024 4,502 +10.4% US Bureau of Transportation Statistics Open this month → October 2024 16,986 +3.1% US Bureau of Transportation Statistics Open this month → September 2024 39,120 +8.1% US Bureau of Transportation Statistics Open this month → August 2024 75,642 +6.2% US Bureau of Transportation Statistics July 2024 78,173 +16.2% US Bureau of Transportation Statistics June 2024 50,313 +9.1% US Bureau of Transportation Statistics
Also tracked here: aircraft movements (through May 2026), tonnes of cargo (through May 2026).
Flight timing & delays Historical departures, grouped by the scheduled local time at the departure airport. These are recorded outcomes, not a forecast for your flight.
US domestic sectors recorded by BTS Source: BTS · US Department of Transportation · 2024-09-01 → 2026-06-30
Lowest average delay 11:00–12:00 4.0min · 208 recorded · 205 measured
Gap to highest-delay hour 18.6min 11:00 ↔ 16:00
Recorded flights 2,246 Nantucket Memorial Airport
Departure hour Day of week Month of year
Departure hour On-time departures 100.0 50.0 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 06:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 07:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 08:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 09:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 10:00 · 88.9% · 219 recorded · 216 measured · Source: BTS · US Department of Transportation 11:00 · 86.8% · 208 recorded · 205 measured · Source: BTS · US Department of Transportation 12:00 · 81.5% · 371 recorded · 368 measured · Source: BTS · US Department of Transportation 13:00 · Fewer than 200 measured departures · 128 recorded · 127 measured · Source: BTS · US Department of Transportation 14:00 · 82.2% · 217 recorded · 213 measured · Source: BTS · US Department of Transportation 15:00 · 73.1% · 279 recorded · 264 measured · Source: BTS · US Department of Transportation 16:00 · 69.2% · 353 recorded · 325 measured · Source: BTS · US Department of Transportation 17:00 · 72.3% · 265 recorded · 249 measured · Source: BTS · US Department of Transportation 18:00 · Fewer than 200 measured departures · 200 recorded · 190 measured · Source: BTS · US Department of Transportation 19:00 · Fewer than 200 measured departures · 6 recorded · 5 measured · Source: BTS · US Department of Transportation 20:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 21:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 22:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Average departure delay 22.6 11.3 0.0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 06:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 07:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 08:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 09:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 10:00 · 4.4 min · 219 recorded · 216 measured · Source: BTS · US Department of Transportation 11:00 · 4.0 min · 208 recorded · 205 measured · Source: BTS · US Department of Transportation 12:00 · 18.7 min · 371 recorded · 368 measured · Source: BTS · US Department of Transportation 13:00 · Fewer than 200 measured departures · 128 recorded · 127 measured · Source: BTS · US Department of Transportation 14:00 · 5.5 min · 217 recorded · 213 measured · Source: BTS · US Department of Transportation 15:00 · 16.0 min · 279 recorded · 264 measured · Source: BTS · US Department of Transportation 16:00 · 22.6 min · 353 recorded · 325 measured · Source: BTS · US Department of Transportation 17:00 · 14.3 min · 265 recorded · 249 measured · Source: BTS · US Department of Transportation 18:00 · Fewer than 200 measured departures · 200 recorded · 190 measured · Source: BTS · US Department of Transportation 19:00 · Fewer than 200 measured departures · 6 recorded · 5 measured · Source: BTS · US Department of Transportation 20:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 21:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 22:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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Recorded flights 371 186 0
00:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 01:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 02:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 03:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 04:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 05:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 06:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 07:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 08:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 09:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 10:00 · 219 · 219 recorded · 216 measured · Source: BTS · US Department of Transportation 11:00 · 208 · 208 recorded · 205 measured · Source: BTS · US Department of Transportation 12:00 · 371 · 371 recorded · 368 measured · Source: BTS · US Department of Transportation 13:00 · 128 · 128 recorded · 127 measured · Source: BTS · US Department of Transportation 14:00 · 217 · 217 recorded · 213 measured · Source: BTS · US Department of Transportation 15:00 · 279 · 279 recorded · 264 measured · Source: BTS · US Department of Transportation 16:00 · 353 · 353 recorded · 325 measured · Source: BTS · US Department of Transportation 17:00 · 265 · 265 recorded · 249 measured · Source: BTS · US Department of Transportation 18:00 · 200 · 200 recorded · 190 measured · Source: BTS · US Department of Transportation 19:00 · 6 · 6 recorded · 5 measured · Source: BTS · US Department of Transportation 20:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 21:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 22:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 23:00 · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation 00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
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View the figures Departure hour On-time departures Average departure delay With departure time Recorded flights 00:00 No observations — — — 01:00 No observations — — — 02:00 No observations — — — 03:00 No observations — — — 04:00 No observations — — — 05:00 No observations — — — 06:00 No observations — — — 07:00 No observations — — — 08:00 No observations — — — 09:00 No observations — — — 10:00 88.9% 4.4 min 216 219 11:00 86.8% 4.0 min 205 208 12:00 81.5% 18.7 min 368 371 13:00 Fewer than 200 measured departures — 127 128 14:00 82.2% 5.5 min 213 217 15:00 73.1% 16.0 min 264 279 16:00 69.2% 22.6 min 325 353 17:00 72.3% 14.3 min 249 265 18:00 Fewer than 200 measured departures — 190 200 19:00 Fewer than 200 measured departures — 5 6 20:00 No observations — — — 21:00 No observations — — — 22:00 No observations — — — 23:00 No observations — — —
Day of week On-time departures 100.0 50.0 0.0
Monday · 78.1% · 328 recorded · 311 measured · Source: BTS · US Department of Transportation Tuesday · 81.2% · 288 recorded · 276 measured · Source: BTS · US Department of Transportation Wednesday · 82.4% · 258 recorded · 244 measured · Source: BTS · US Department of Transportation Thursday · 76.7% · 318 recorded · 300 measured · Source: BTS · US Department of Transportation Friday · 80.5% · 328 recorded · 323 measured · Source: BTS · US Department of Transportation Saturday · 82.9% · 365 recorded · 356 measured · Source: BTS · US Department of Transportation Sunday · 71.9% · 361 recorded · 352 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Average departure delay 19.4 9.7 0.0
Monday · 17.1 min · 328 recorded · 311 measured · Source: BTS · US Department of Transportation Tuesday · 13.3 min · 288 recorded · 276 measured · Source: BTS · US Department of Transportation Wednesday · 9.8 min · 258 recorded · 244 measured · Source: BTS · US Department of Transportation Thursday · 19.4 min · 318 recorded · 300 measured · Source: BTS · US Department of Transportation Friday · 8.4 min · 328 recorded · 323 measured · Source: BTS · US Department of Transportation Saturday · 7.6 min · 365 recorded · 356 measured · Source: BTS · US Department of Transportation Sunday · 17.3 min · 361 recorded · 352 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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Recorded flights 365 183 0
Monday · 328 · 328 recorded · 311 measured · Source: BTS · US Department of Transportation Tuesday · 288 · 288 recorded · 276 measured · Source: BTS · US Department of Transportation Wednesday · 258 · 258 recorded · 244 measured · Source: BTS · US Department of Transportation Thursday · 318 · 318 recorded · 300 measured · Source: BTS · US Department of Transportation Friday · 328 · 328 recorded · 323 measured · Source: BTS · US Department of Transportation Saturday · 365 · 365 recorded · 356 measured · Source: BTS · US Department of Transportation Sunday · 361 · 361 recorded · 352 measured · Source: BTS · US Department of Transportation Mon Tue Wed Thu Fri Sat Sun
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View the figures Day of week On-time departures Average departure delay With departure time Recorded flights Monday 78.1% 17.1 min 311 328 Tuesday 81.2% 13.3 min 276 288 Wednesday 82.4% 9.8 min 244 258 Thursday 76.7% 19.4 min 300 318 Friday 80.5% 8.4 min 323 328 Saturday 82.9% 7.6 min 356 365 Sunday 71.9% 17.3 min 352 361
Month of year Months combine the same calendar month across the years shown; this is a seasonal pattern, not a monthly time series.
On-time departures 100.0 50.0 0.0
Jan · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Feb · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Mar · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Apr · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation May · Fewer than 200 measured departures · 116 recorded · 116 measured · Source: BTS · US Department of Transportation Jun · 75.8% · 656 recorded · 624 measured · Source: BTS · US Department of Transportation Jul · 73.5% · 496 recorded · 456 measured · Source: BTS · US Department of Transportation Aug · 85.5% · 481 recorded · 475 measured · Source: BTS · US Department of Transportation Sep · 82.0% · 352 recorded · 349 measured · Source: BTS · US Department of Transportation Oct · Fewer than 200 measured departures · 145 recorded · 142 measured · Source: BTS · US Department of Transportation Nov · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Dec · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Average departure delay 27.0 13.5 0.0
Jan · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Feb · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Mar · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Apr · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation May · Fewer than 200 measured departures · 116 recorded · 116 measured · Source: BTS · US Department of Transportation Jun · 16.8 min · 656 recorded · 624 measured · Source: BTS · US Department of Transportation Jul · 27.0 min · 496 recorded · 456 measured · Source: BTS · US Department of Transportation Aug · 3.7 min · 481 recorded · 475 measured · Source: BTS · US Department of Transportation Sep · 5.6 min · 352 recorded · 349 measured · Source: BTS · US Department of Transportation Oct · Fewer than 200 measured departures · 145 recorded · 142 measured · Source: BTS · US Department of Transportation Nov · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Dec · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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Recorded flights 656 328 0
Jan · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Feb · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Mar · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Apr · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation May · 116 · 116 recorded · 116 measured · Source: BTS · US Department of Transportation Jun · 656 · 656 recorded · 624 measured · Source: BTS · US Department of Transportation Jul · 496 · 496 recorded · 456 measured · Source: BTS · US Department of Transportation Aug · 481 · 481 recorded · 475 measured · Source: BTS · US Department of Transportation Sep · 352 · 352 recorded · 349 measured · Source: BTS · US Department of Transportation Oct · 145 · 145 recorded · 142 measured · Source: BTS · US Department of Transportation Nov · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Dec · No observations · 0 recorded · 0 measured · Source: BTS · US Department of Transportation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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View the figures Month of year On-time departures Average departure delay With departure time Recorded flights Jan No observations — — — Feb No observations — — — Mar No observations — — — Apr No observations — — — May Fewer than 200 measured departures — 116 116 Jun 75.8% 16.8 min 624 656 Jul 73.5% 27.0 min 456 496 Aug 85.5% 3.7 min 475 481 Sep 82.0% 5.6 min 349 352 Oct Fewer than 200 measured departures — 142 145 Nov No observations — — — Dec No observations — — —
Delay and on-time rates need at least 200 measured departures per bucket. Smaller samples remain visible in the flight-count chart. An empty slot means no observations, not zero flights.
Recorded outcomes On time 76.0% 1,706 Delayed >15 min 20.3% 456 Cancelled 3.7% 84 Missing departure time 0.0% 0 All recorded flights with a known scheduled local time, counted once. Missing actual times are shown separately.
On time means departing no more than 15 minutes after schedule. Cancelled flights and flights missing departure times are excluded from punctuality and average delay.
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