JFK · John F. Kennedy International Airport

Share of flights 15+ min late, by month

departures arrivals usual for the month (departures) Jan 2015 → Jul 2026; gridlines 10/20/30/40%

Month	Flights	Late 15+	vs usual	Cancelled	Avg min	Main cause
Jul 2026	9,185	33.3%	+2.8	10.9%	33	Late aircraft
Jun 2026	8,750	22.4%	-3.9	2.0%	20	Late aircraft
May 2026	8,535	16.1%	-4.5	1.1%	13	Late aircraft
Apr 2026	8,254	16.0%	-3.9	0.2%	11	Late aircraft
Mar 2026	8,392	22.9%	+2.0	2.1%	18	Late aircraft
Feb 2026	7,458	23.3%	+4.1	8.8%	19	Late aircraft
Jan 2026	8,022	23.2%	+1.8	7.1%	18	Airline
Dec 2025	8,856	30.0%	+7.4	4.0%	25	Late aircraft
Nov 2025	8,626	19.9%	+5.5	2.8%	16	Airline
Oct 2025	8,928	18.6%	+5.8	1.5%	16	Air traffic
Sep 2025	8,567	15.4%	-3.0	0.7%	12	Air traffic
Aug 2025	9,110	21.3%	-5.7	0.9%	18	Late aircraft
Jul 2025	9,262	30.5%	+1.0	6.2%	29	Late aircraft
Jun 2025	8,848	26.4%	+1.9	2.4%	24	Late aircraft
May 2025	9,021	20.5%	+1.7	0.5%	16	Air traffic
Apr 2025	8,628	15.1%	-4.7	0.3%	10	Air traffic
Mar 2025	8,737	18.5%	-2.5	0.8%	15	Late aircraft
Feb 2025	7,850	19.2%	+1.0	2.1%	16	Air traffic
Jan 2025	8,327	17.1%	-4.3	1.8%	13	Airline
Dec 2024	10,268	24.4%	+3.2	0.5%	18	Late aircraft
Nov 2024	10,140	11.9%	-3.5	0.0%	8	Airline
Oct 2024	10,732	11.3%	-1.5	0.6%	8	Airline
Sep 2024	10,376	13.7%	-4.7	0.2%	10	Airline
Aug 2024	10,862	27.2%	+0.7	6.4%	24	Airline

Airline	Flights	Late	Canc.
Frontier	290	10.0%	0.0%
Delta	2,560	13.5%	0.3%
American	1,130	14.1%	0.6%
Alaska	300	15.6%	2.0%
Republic	1,412	16.3%	1.6%
JetBlue	2,844	17.6%	0.6%
Hawaiian	31	23.3%	3.2%

Airlines with 30+ departures that month.

Date	Flights	Late	Canc.
2016-01-23	225	—	100%
2022-01-29	355	100%	94%
2026-02-23	283	—	100%
2015-01-27	260	22%	97%
2021-02-01	109	50%	93%
2017-02-09	267	77%	82%
2018-01-05	322	93%	34%
2018-01-04	319	20%	94%
2017-03-14	261	50%	89%
2020-12-17	143	91%	36%
2026-02-24	269	84%	60%
2026-01-26	260	81%	61%

Departures; ranked by share late or cancelled.