Luis Munoz Marin International in March 2024

70.6%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 March 2024, reporting carriers scheduled 3,031 domestic departures from Luis Munoz Marin International (SJU). 70.6% left less than 15 minutes late and 65.4% reached their destination on time; 1.4% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so SJU departures were 7.9 points below the national departure figure.

Flights arriving at SJU that month were on time 69.5% of the time (3,035 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 36% and national aviation system 19%.

On time 65.4%
Arrived 15+ minutes late 32.7%
Cancelled 1.4%
Diverted 0.5%

Every scheduled departure from SJU in March 2024, judged by arrival at the destination.

March 2024 against a year earlier, the airport's year and the nation

Measure	Mar 2024	Year earlier	SJU, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	70.6%	—	74.5%	78.5%
Arrived on time	65.4%	—	75.6%	78.3%
Cancelled	1.4%	—	2.0%	0.9%
Average departure delay (late minutes only)	27.5 min	—	19.6 min	15.7 min
Scheduled departures a day	101	—	97	19,726
Scheduled departures	3,031	—	35,302	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
B6 JetBlue Airways	748	25%	60.7%	37.4 min	2.1%
NK Spirit Airlines	470	16%	66.2%	20.4 min	1.7%
F9 Frontier Airlines	421	14%	58.9%	35.8 min	2.9%
AA American Airlines	372	12%	55.1%	34.8 min	0.5%
WN Southwest Airlines	364	12%	69.5%	17.1 min	0.5%
DL Delta Air Lines	356	12%	85.7%	-0.6 min	0.0%
UA United Airlines	300	10%	69.0%	7.7 min	1.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SJU–MCO	San Juan to Orlando	532	65.2%	26.0 min	1.5%
SJU–JFK	San Juan to New York	272	69.9%	27.7 min	2.2%
SJU–MIA	San Juan to Miami	243	59.7%	30.3 min	1.2%
SJU–ATL	San Juan to Atlanta	207	83.1%	11.4 min	0.0%
SJU–BOS	San Juan to Boston	174	72.4%	13.7 min	1.1%
SJU–FLL	San Juan to Fort Lauderdale	163	68.1%	30.6 min	0.6%
SJU–EWR	San Juan to Newark	160	71.3%	13.4 min	1.9%
SJU–TPA	San Juan to Tampa	145	72.4%	18.5 min	1.4%
SJU–ORD	San Juan to Chicago	134	63.4%	12.7 min	0.7%
SJU–BWI	San Juan to Baltimore	128	71.9%	9.4 min	1.6%
SJU–CLT	San Juan to Charlotte	124	66.1%	32.2 min	0.0%
SJU–PHL	San Juan to Philadelphia	124	46.0%	48.8 min	1.6%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	36.4%	32.1%	30,781
Late-arriving aircraft	42.0%	42.1%	35,504
National Aviation System	19.2%	21.4%	16,207
Extreme weather	2.2%	4.2%	1,859
Security	0.2%	0.2%	132

84,483 delay minutes on 990 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 SJU on time in March 2024?

70.6% of 3,031 scheduled domestic departures left less than 15 minutes late, and 65.4% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for March 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SJU · methodology · corrections.