SJU · Luis Munoz Marin 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	3,326	30.8%	+1.4	3.3%	27	Late aircraft
Jun 2026	3,095	18.2%	-9.9	0.6%	15	Late aircraft
May 2026	2,875	16.9%	-7.3	0.2%	12	Late aircraft
Apr 2026	3,190	19.6%	+0.8	0.8%	15	Late aircraft
Mar 2026	3,441	29.1%	+5.1	2.1%	21	Late aircraft
Feb 2026	2,835	25.7%	+7.2	3.2%	22	Late aircraft
Jan 2026	3,306	29.7%	+4.7	8.0%	27	Airline
Dec 2025	3,393	24.9%	-0.2	1.8%	20	Late aircraft
Nov 2025	2,715	19.9%	-0.1	1.1%	18	Late aircraft
Oct 2025	2,186	20.5%	+2.9	0.5%	16	Late aircraft
Sep 2025	1,965	19.5%	+1.3	0.0%	15	Late aircraft
Aug 2025	2,975	29.4%	+1.7	0.8%	25	Late aircraft
Jul 2025	3,415	26.0%	-3.4	1.6%	22	Late aircraft
Jun 2025	3,187	18.9%	-9.2	0.9%	16	Late aircraft
May 2025	3,067	17.8%	-6.4	0.1%	13	Late aircraft
Apr 2025	3,121	18.7%	-0.4	0.4%	16	Late aircraft
Mar 2025	3,580	21.2%	-2.8	0.8%	17	Late aircraft
Feb 2025	2,894	18.4%	-3.6	0.7%	16	Late aircraft
Jan 2025	3,208	25.8%	+2.7	1.5%	21	Late aircraft
Dec 2024	3,517	25.1%	+0.1	0.4%	19	Late aircraft
Nov 2024	2,829	18.2%	-2.5	0.2%	14	Airline
Oct 2024	2,325	16.4%	-1.2	2.5%	13	Late aircraft
Sep 2024	2,068	15.6%	-2.6	0.6%	13	Airline
Aug 2024	3,026	32.0%	+4.3	2.5%	30	Late aircraft

Airline	Flights	Late	Canc.
Southwest	300	12.0%	0.0%
Spirit	283	13.2%	1.1%
Delta	261	14.7%	0.8%
United	269	16.8%	0.4%
American	312	17.6%	0.0%
Frontier	418	20.9%	0.2%
JetBlue	986	21.8%	0.0%

Airlines with 30+ departures that month.

Date	Flights	Late	Canc.
2017-09-22	50	100%	94%
2017-09-23	59	—	100%
2017-09-24	53	100%	98%
2022-09-18	64	—	100%
2026-01-03	144	71%	95%
2017-09-29	51	95%	63%
2017-10-01	54	90%	63%
2017-09-25	50	33%	94%
2017-09-30	61	86%	64%
2017-10-02	52	81%	60%
2017-09-08	51	81%	49%
2024-08-14	86	79%	29%

Departures; ranked by share late or cancelled.

None recorded.