John F. Kennedy International in June 2024

73.0%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 June 2024, reporting carriers scheduled 10,455 domestic departures from John F. Kennedy International (JFK). 73.0% left less than 15 minutes late and 71.3% reached their destination on time; 3.4% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so JFK departures were 0.7 points below the national departure figure.

Flights arriving at JFK that month were on time 70.2% of the time (10,459 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 31% and national aviation system 24%.

On time 71.3%
Arrived 15+ minutes late 24.9%
Cancelled 3.4%
Diverted 0.4%

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

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

Measure	Jun 2024	Year earlier	JFK, 12 months to Jul 2026	All reported flights, Jun 2024
Departed on time	73.0%	—	75.5%	73.7%
Arrived on time	71.3%	—	72.8%	73.9%
Cancelled	3.4%	—	3.5%	1.3%
Average departure delay (late minutes only)	21.2 min	—	18.2 min	19.7 min
Scheduled departures a day	349	—	281	20,371
Scheduled departures	10,455	—	102,683	611,132

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	3,082	29%	65.4%	16.6 min	3.5%
DL Delta Air Lines	2,587	25%	73.9%	10.9 min	0.5%
9E Endeavor Air	1,519	15%	72.8%	6.2 min	7.0%
YX Republic Airline	1,415	14%	76.5%	1.0 min	5.6%
AA American Airlines	1,138	11%	76.6%	2.4 min	2.3%
AS Alaska Airlines	347	3%	70.3%	15.2 min	0.9%
OO SkyWest Airlines	288	3%	61.5%	34.2 min	6.9%
F9 Frontier Airlines	49	0%	46.9%	79.6 min	6.1%
HA Hawaiian Airlines	30	0%	70.0%	7.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JFK–LAX	New York to Los Angeles	818	77.8%	6.0 min	0.0%
JFK–SFO	New York to San Francisco	575	72.9%	14.1 min	0.3%
JFK–BOS	New York to Boston	466	69.3%	15.3 min	5.4%
JFK–MIA	New York to Miami	432	68.5%	10.9 min	4.6%
JFK–MCO	New York to Orlando	388	68.8%	14.8 min	2.3%
JFK–RDU	New York to Raleigh/Durham	342	71.9%	5.8 min	6.1%
JFK–SJU	New York to San Juan	332	64.8%	32.2 min	1.5%
JFK–FLL	New York to Fort Lauderdale	301	65.1%	10.8 min	5.3%
JFK–CLT	New York to Charlotte	300	76.3%	1.6 min	5.0%
JFK–ATL	New York to Atlanta	286	78.3%	4.4 min	0.7%
JFK–SEA	New York to Seattle	270	59.3%	24.2 min	0.7%
JFK–LAS	New York to Las Vegas	269	74.7%	4.6 min	0.7%

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), June 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2024	Minutes
Air carrier	41.2%	34.4%	86,658
Late-arriving aircraft	30.6%	41.5%	64,234
National Aviation System	24.3%	17.8%	51,056
Extreme weather	3.7%	6.0%	7,875
Security	0.2%	0.2%	378

210,201 delay minutes on 2,605 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 June 2024?

73.0% of 10,455 scheduled domestic departures left less than 15 minutes late, and 71.3% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 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 June 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.