John F. Kennedy International in April 2026

83.8%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 April 2026, reporting carriers scheduled 8,254 domestic departures from John F. Kennedy International (JFK). 83.8% left less than 15 minutes late and 81.2% reached their destination on time; 0.2% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so JFK departures were 4.7 points above the national departure figure.

A year earlier, in April 2025, the airport had 8,628 departures with 84.7% leaving on time: a change of −0.9 points, with flights down 4%.

Flights arriving at JFK that month were on time 81.8% of the time (8,251 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 32% and national aviation system 32%.

On time 81.2%
Arrived 15+ minutes late 18.3%
Cancelled 0.2%
Diverted 0.3%

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

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

Measure	Apr 2026	Apr 2025	JFK, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	83.8%	84.7%	75.5%	79.1%
Arrived on time	81.2%	81.2%	72.8%	78.9%
Cancelled	0.2%	0.3%	3.5%	0.9%
Average departure delay (late minutes only)	11.1 min	10.2 min	18.2 min	14.5 min
Scheduled departures a day	275	288	281	19,931
Scheduled departures	8,254	8,628	102,683	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	2,902	35%	79.1%	1.7 min	0.0%
DL Delta Air Lines	2,569	31%	82.0%	-3.6 min	0.6%
AA American Airlines	1,263	15%	84.2%	-1.8 min	0.1%
YX Republic Airline	1,079	13%	81.8%	-0.1 min	0.3%
AS Alaska Airlines	346	4%	82.4%	-1.3 min	0.3%
F9 Frontier Airlines	95	1%	72.6%	9.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
JFK–LAX	New York to Los Angeles	855	80.5%	1.7 min	0.4%
JFK–SFO	New York to San Francisco	543	70.5%	11.3 min	0.0%
JFK–MCO	New York to Orlando	484	81.8%	-0.8 min	0.0%
JFK–BOS	New York to Boston	443	80.4%	-1.0 min	0.0%
JFK–MIA	New York to Miami	406	86.9%	-7.7 min	0.2%
JFK–FLL	New York to Fort Lauderdale	380	77.4%	2.1 min	0.3%
JFK–LAS	New York to Las Vegas	321	83.8%	-1.9 min	0.3%
JFK–ATL	New York to Atlanta	316	83.5%	-5.8 min	0.3%
JFK–SJU	New York to San Juan	310	79.0%	-1.2 min	0.0%
JFK–PHX	New York to Phoenix	278	85.6%	1.9 min	0.0%
JFK–SEA	New York to Seattle	225	80.4%	0.0 min	0.4%
JFK–PBI	New York to West Palm Beach/Palm Beach	219	74.0%	5.1 min	0.5%

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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	31.7%	33.5%	28,152
Late-arriving aircraft	35.6%	40.4%	31,552
National Aviation System	31.6%	21.0%	28,048
Extreme weather	0.6%	5.0%	576
Security	0.5%	0.1%	406

88,734 delay minutes on 1,509 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 April 2026?

83.8% of 8,254 scheduled domestic departures left less than 15 minutes late, and 81.2% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 84.7% of 8,628 departures left on time and 0.3% were cancelled, against 83.8% and 0.2% in April 2026.

Provenance

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