Long Island MacArthur in November 2024

86.8%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 November 2024, reporting carriers scheduled 349 domestic departures from Long Island MacArthur (ISP). 86.8% left less than 15 minutes late and 92.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so ISP departures were 1.6 points above the national departure figure.

A year earlier, in November 2023, the airport had 462 departures with 84.6% leaving on time: a change of +2.2 points, with flights down 24%.

Flights arriving at ISP that month were on time 87.4% of the time (350 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 54%, air carrier 38% and national aviation system 8%.

On time 92.0%
Arrived 15+ minutes late 8.0%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from ISP in November 2024, judged by arrival at the destination.

November 2024 against a year earlier, the airport's year and the nation

Measure	Nov 2024	Nov 2023	ISP, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	86.8%	84.6%	73.7%	85.2%
Arrived on time	92.0%	84.8%	73.6%	84.8%
Cancelled	0.0%	0.2%	2.1%	0.5%
Average departure delay (late minutes only)	10.2 min	12.9 min	18.8 min	10.2 min
Scheduled departures a day	12	15	14	19,180
Scheduled departures	349	462	4,966	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	219	63%	93.6%	-10.2 min	0.0%
B6 JetBlue Airways	65	19%	86.2%	2.6 min	0.0%
F9 Frontier Airlines	65	19%	92.3%	-10.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ISP–MCO	Islip to Orlando	111	88.3%	-4.2 min	0.0%
ISP–BWI	Islip to Baltimore	89	93.3%	-8.9 min	0.0%
ISP–PBI	Islip to West Palm Beach/Palm Beach	74	93.2%	-9.6 min	0.0%
ISP–TPA	Islip to Tampa	23	91.3%	-1.1 min	0.0%
ISP–FLL	Islip to Fort Lauderdale	18	94.4%	-8.9 min	0.0%
ISP–MIA	Islip to Miami	17	100.0%	-19.5 min	0.0%
ISP–MYR	Islip to Myrtle Beach	17	94.1%	-13.9 min	0.0%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	38.2%	36.9%	916
Late-arriving aircraft	53.5%	35.6%	1,282
National Aviation System	8.2%	21.9%	197
Extreme weather	0.0%	5.4%	0
Security	0.0%	0.2%	0

2,395 delay minutes on 28 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 ISP on time in November 2024?

86.8% of 349 scheduled domestic departures left less than 15 minutes late, and 92.0% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 84.6% of 462 departures left on time and 0.2% were cancelled, against 86.8% and 0.0% in November 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ISP · methodology · corrections.