John F. Kennedy International in January 2026

71.4%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 January 2026, reporting carriers scheduled 8,022 domestic departures from John F. Kennedy International (JFK). 71.4% left less than 15 minutes late and 68.2% reached their destination on time; 7.1% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so JFK departures were 4.2 points below the national departure figure.

A year earlier, in January 2025, the airport had 8,327 departures with 81.4% leaving on time: a change of −10.0 points, with flights down 4%.

Flights arriving at JFK that month were on time 70.1% of the time (8,020 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 37%, late-arriving aircraft 31% and national aviation system 26%.

On time 68.2%
Arrived 15+ minutes late 24.5%
Cancelled 7.1%
Diverted 0.2%

Every scheduled departure from JFK in January 2026, judged by arrival at the destination.

January 2026 against a year earlier, the airport's year and the nation

Measure	Jan 2026	Jan 2025	JFK, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	71.4%	81.4%	75.5%	75.6%
Arrived on time	68.2%	78.1%	72.8%	75.3%
Cancelled	7.1%	1.8%	3.5%	4.7%
Average departure delay (late minutes only)	18.1 min	12.9 min	18.2 min	16.7 min
Scheduled departures a day	267	278	281	18,133
Scheduled departures	8,022	8,327	102,683	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	2,578	32%	65.1%	10.7 min	7.1%
DL Delta Air Lines	2,419	30%	70.4%	4.0 min	5.5%
AA American Airlines	1,261	16%	71.8%	6.4 min	8.5%
YX Republic Airline	1,234	15%	68.8%	5.6 min	9.9%
AS Alaska Airlines	282	4%	64.5%	18.8 min	5.3%
F9 Frontier Airlines	248	3%	61.3%	21.6 min	4.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JFK–LAX	New York to Los Angeles	825	68.0%	6.2 min	5.3%
JFK–SFO	New York to San Francisco	539	71.4%	0.1 min	5.9%
JFK–BOS	New York to Boston	481	70.7%	5.9 min	8.3%
JFK–MIA	New York to Miami	382	71.7%	8.4 min	6.8%
JFK–MCO	New York to Orlando	376	68.4%	8.4 min	5.3%
JFK–ATL	New York to Atlanta	353	66.3%	9.9 min	5.9%
JFK–FLL	New York to Fort Lauderdale	338	62.4%	12.3 min	6.5%
JFK–SJU	New York to San Juan	309	59.9%	16.3 min	9.4%
JFK–LAS	New York to Las Vegas	294	75.2%	-1.5 min	4.4%
JFK–PHX	New York to Phoenix	276	73.6%	3.0 min	6.9%
JFK–PBI	New York to West Palm Beach/Palm Beach	207	63.8%	13.7 min	6.8%
JFK–TPA	New York to Tampa	197	64.0%	9.1 min	5.6%

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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	36.9%	37.3%	50,201
Late-arriving aircraft	31.2%	35.0%	42,426
National Aviation System	25.7%	18.0%	34,863
Extreme weather	6.2%	9.6%	8,371
Security	0.0%	0.1%	46

135,907 delay minutes on 1,962 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 January 2026?

71.4% of 8,022 scheduled domestic departures left less than 15 minutes late, and 68.2% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 81.4% of 8,327 departures left on time and 1.8% were cancelled, against 71.4% and 7.1% in January 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 2026; 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.