John F. Kennedy International in March 2024

78.5%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 March 2024, reporting carriers scheduled 10,153 domestic departures from John F. Kennedy International (JFK). 78.5% left less than 15 minutes late and 79.2% reached their destination on time; 0.7% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so JFK departures were level with the national departure figure.

Flights arriving at JFK that month were on time 76.6% of the time (10,162 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 31% and national aviation system 21%.

On time 79.2%
Arrived 15+ minutes late 19.9%
Cancelled 0.7%
Diverted 0.2%

Every scheduled departure from JFK in March 2024, judged by arrival at the destination.

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

Measure	Mar 2024	Year earlier	JFK, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	78.5%	—	75.5%	78.5%
Arrived on time	79.2%	—	72.8%	78.3%
Cancelled	0.7%	—	3.5%	0.9%
Average departure delay (late minutes only)	17.0 min	—	18.2 min	15.7 min
Scheduled departures a day	338	—	281	19,726
Scheduled departures	10,153	—	102,683	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	3,061	30%	62.1%	23.4 min	1.8%
DL Delta Air Lines	2,499	25%	85.8%	-7.2 min	0.0%
9E Endeavor Air	1,473	15%	87.1%	-5.2 min	0.1%
YX Republic Airline	1,388	14%	91.1%	-9.7 min	0.2%
AA American Airlines	1,269	12%	83.3%	-8.5 min	0.8%
AS Alaska Airlines	310	3%	81.6%	-7.9 min	0.3%
OO SkyWest Airlines	122	1%	89.3%	-8.6 min	0.0%
HA Hawaiian Airlines	31	0%	90.3%	-4.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JFK–LAX	New York to Los Angeles	788	83.9%	-8.2 min	0.1%
JFK–MIA	New York to Miami	531	69.9%	14.8 min	2.3%
JFK–SFO	New York to San Francisco	498	71.7%	0.8 min	0.4%
JFK–BOS	New York to Boston	448	79.0%	6.3 min	0.2%
JFK–FLL	New York to Fort Lauderdale	362	60.2%	26.5 min	3.3%
JFK–MCO	New York to Orlando	359	68.8%	14.7 min	0.0%
JFK–RDU	New York to Raleigh/Durham	310	82.9%	-1.9 min	0.3%
JFK–SJU	New York to San Juan	274	58.8%	26.9 min	2.2%
JFK–ATL	New York to Atlanta	250	83.6%	6.9 min	0.0%
JFK–CLT	New York to Charlotte	248	82.7%	-2.3 min	0.8%
JFK–BUF	New York to Buffalo	243	81.5%	2.3 min	0.8%
JFK–PHX	New York to Phoenix	235	83.4%	-5.9 min	0.4%

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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	46.4%	32.1%	70,956
Late-arriving aircraft	30.7%	42.1%	46,887
National Aviation System	21.2%	21.4%	32,404
Extreme weather	1.6%	4.2%	2,399
Security	0.1%	0.2%	146

152,792 delay minutes on 2,021 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 JFK on time in March 2024?

78.5% of 10,153 scheduled domestic departures left less than 15 minutes late, and 79.2% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 2023 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 March 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for JFK · methodology · corrections.