John F. Kennedy International in December 2023

80.1%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 December 2023, reporting carriers scheduled 10,413 domestic departures from John F. Kennedy International (JFK). 80.1% left less than 15 minutes late and 83.2% reached their destination on time; 0.5% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so JFK departures were 3.0 points below the national departure figure.

Flights arriving at JFK that month were on time 79.8% of the time (10,412 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 28% and national aviation system 21%.

On time 83.2%
Arrived 15+ minutes late 16.1%
Cancelled 0.5%
Diverted 0.2%

Every scheduled departure from JFK in December 2023, judged by arrival at the destination.

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

Measure	Dec 2023	Year earlier	JFK, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	80.1%	—	75.5%	83.1%
Arrived on time	83.2%	—	72.8%	83.8%
Cancelled	0.5%	—	3.5%	0.4%
Average departure delay (late minutes only)	13.9 min	—	18.2 min	11.6 min
Scheduled departures a day	347	—	281	19,013
Scheduled departures	10,413	—	102,683	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	3,201	31%	71.0%	10.1 min	0.3%
DL Delta Air Lines	2,620	25%	88.0%	-14.1 min	0.0%
9E Endeavor Air	1,482	14%	88.4%	-8.3 min	1.3%
AA American Airlines	1,243	12%	90.4%	-14.1 min	0.0%
YX Republic Airline	1,132	11%	90.1%	-12.4 min	1.1%
OO SkyWest Airlines	360	3%	80.8%	-0.8 min	1.4%
AS Alaska Airlines	344	3%	95.6%	-28.0 min	0.0%
HA Hawaiian Airlines	31	0%	51.6%	18.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JFK–LAX	New York to Los Angeles	820	89.9%	-18.4 min	0.1%
JFK–SFO	New York to San Francisco	545	91.2%	-23.4 min	0.0%
JFK–BOS	New York to Boston	473	79.1%	3.3 min	0.8%
JFK–MIA	New York to Miami	466	72.7%	8.9 min	0.2%
JFK–MCO	New York to Orlando	415	70.6%	10.8 min	0.0%
JFK–FLL	New York to Fort Lauderdale	360	73.1%	11.8 min	0.0%
JFK–RDU	New York to Raleigh/Durham	322	85.4%	-4.7 min	0.9%
JFK–ATL	New York to Atlanta	300	82.7%	-0.3 min	0.0%
JFK–CLT	New York to Charlotte	288	88.9%	-10.2 min	0.3%
JFK–SJU	New York to San Juan	283	68.9%	23.7 min	0.0%
JFK–SEA	New York to Seattle	270	94.1%	-25.1 min	0.0%
JFK–DCA	New York to Washington	255	81.6%	-7.6 min	2.0%

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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	47.7%	37.1%	55,526
Late-arriving aircraft	27.8%	38.8%	32,283
National Aviation System	20.5%	17.6%	23,852
Extreme weather	3.7%	6.2%	4,361
Security	0.3%	0.3%	308

116,330 delay minutes on 1,677 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 December 2023?

80.1% of 10,413 scheduled domestic departures left less than 15 minutes late, and 83.2% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 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 December 2023; 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.