John F. Kennedy International in July 2026

59.4%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 July 2026, reporting carriers scheduled 9,185 domestic departures from John F. Kennedy International (JFK). 59.4% left less than 15 minutes late and 59.0% reached their destination on time; 10.9% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so JFK departures were 9.4 points below the national departure figure.

A year earlier, in July 2025, the airport had 9,262 departures with 65.1% leaving on time: a change of −5.7 points, with flights down 1%.

Flights arriving at JFK that month were on time 58.6% of the time (9,181 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 29% and national aviation system 25%.

On time 59.0%
Arrived 15+ minutes late 29.8%
Cancelled 10.9%
Diverted 0.4%

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

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

Measure	Jul 2026	Jul 2025	JFK, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	59.4%	65.1%	75.5%	68.8%
Arrived on time	59.0%	63.3%	72.8%	69.4%
Cancelled	10.9%	6.2%	3.5%	2.6%
Average departure delay (late minutes only)	33.4 min	29.1 min	18.2 min	24.1 min
Scheduled departures a day	306	309	281	21,066
Scheduled departures	9,185	9,262	102,683	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	3,454	38%	48.9%	30.8 min	15.6%
DL Delta Air Lines	2,646	29%	66.3%	12.5 min	7.0%
AA American Airlines	1,451	16%	65.9%	22.3 min	6.2%
YX Republic Airline	1,233	13%	60.7%	17.0 min	13.5%
AS Alaska Airlines	371	4%	69.0%	16.9 min	5.1%
F9 Frontier Airlines	30	0%	50.0%	62.2 min	3.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JFK–LAX	New York to Los Angeles	919	65.1%	13.9 min	7.4%
JFK–SFO	New York to San Francisco	622	59.5%	17.0 min	6.6%
JFK–BOS	New York to Boston	427	53.4%	33.5 min	12.6%
JFK–MCO	New York to Orlando	390	53.3%	33.5 min	11.0%
JFK–MIA	New York to Miami	373	56.6%	45.2 min	7.0%
JFK–ATL	New York to Atlanta	350	60.9%	29.6 min	8.0%
JFK–LAS	New York to Las Vegas	321	69.5%	-1.0 min	8.1%
JFK–SJU	New York to San Juan	310	47.7%	38.2 min	7.7%
JFK–FLL	New York to Fort Lauderdale	306	56.2%	18.4 min	12.4%
JFK–SEA	New York to Seattle	279	62.4%	17.9 min	9.0%
JFK–PHX	New York to Phoenix	265	63.4%	10.8 min	8.3%
JFK–ORD	New York to Chicago	217	57.6%	23.3 min	17.5%

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), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	28.8%	31.7%	75,520
Late-arriving aircraft	39.9%	41.8%	104,701
National Aviation System	25.3%	19.9%	66,394
Extreme weather	5.9%	6.5%	15,473
Security	0.1%	0.1%	387

262,475 delay minutes on 2,734 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 July 2026?

59.4% of 9,185 scheduled domestic departures left less than 15 minutes late, and 59.0% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 65.1% of 9,262 departures left on time and 6.2% were cancelled, against 59.4% and 10.9% in July 2026.

Provenance

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