Nantucket Memorial in October 2023

77.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In October 2023, reporting carriers scheduled 100 domestic departures from Nantucket Memorial (ACK). 77.0% left less than 15 minutes late and 74.0% reached their destination on time; 2.0% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so ACK departures were 6.8 points below the national departure figure.

Flights arriving at ACK that month were on time 71.0% of the time (100 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 45% and national aviation system 4%.

On time 74.0%
Arrived 15+ minutes late 24.0%
Cancelled 2.0%
Diverted 0.0%

Every scheduled departure from ACK in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	ACK, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	77.0%	—	73.0%	83.8%
Arrived on time	74.0%	—	69.6%	84.0%
Cancelled	2.0%	—	5.3%	0.4%
Average departure delay (late minutes only)	34.8 min	—	20.9 min	11.0 min
Scheduled departures a day	3	—	5	19,966
Scheduled departures	100	—	1,690	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	100	100%	74.0%	26.9 min	2.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ACK–JFK	Nantucket to New York	38	71.1%	25.1 min	2.6%
ACK–LGA	Nantucket to New York	31	80.6%	6.9 min	0.0%
ACK–DCA	Nantucket to Washington	11	81.8%	1.7 min	0.0%
ACK–BOS	Nantucket to Boston	10	60.0%	133.6 min	0.0%
ACK–HPN	Nantucket to White Plains	10	70.0%	15.1 min	10.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	44.6%	41.3%	1,464
Late-arriving aircraft	51.3%	40.5%	1,683
National Aviation System	4.0%	14.4%	131
Extreme weather	0.0%	3.7%	0
Security	0.1%	0.2%	3

3,281 delay minutes on 24 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ACK on time in October 2023?

77.0% of 100 scheduled domestic departures left less than 15 minutes late, and 74.0% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ACK · methodology · corrections.