Cyril E King in March 2024

77.4%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 March 2024, reporting carriers scheduled 615 domestic departures from Cyril E King (STT). 77.4% left less than 15 minutes late and 68.8% reached their destination on time; 1.8% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so STT departures were 1.1 points below the national departure figure.

Flights arriving at STT that month were on time 80.8% of the time (615 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 61%, air carrier 22% and national aviation system 12%.

On time 68.8%
Arrived 15+ minutes late 27.3%
Cancelled 1.8%
Diverted 2.1%

Every scheduled departure from STT 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	STT, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	77.4%	—	74.9%	78.5%
Arrived on time	68.8%	—	75.9%	78.3%
Cancelled	1.8%	—	2.1%	0.9%
Average departure delay (late minutes only)	39.3 min	—	21.9 min	15.7 min
Scheduled departures a day	21	—	15	19,726
Scheduled departures	615	—	5,548	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	227	37%	68.7%	72.7 min	0.9%
NK Spirit Airlines	119	19%	60.5%	14.7 min	3.4%
DL Delta Air Lines	98	16%	69.4%	6.6 min	0.0%
UA United Airlines	95	15%	76.8%	4.9 min	0.0%
B6 JetBlue Airways	71	12%	71.8%	33.0 min	5.6%
F9 Frontier Airlines	5	1%	60.0%	9.8 min	20.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STT–MIA	Charlotte Amalie to Miami	93	65.6%	102.8 min	2.2%
STT–SJU	Charlotte Amalie to San Juan	76	71.1%	31.7 min	6.6%
STT–ATL	Charlotte Amalie to Atlanta	67	64.2%	12.4 min	0.0%
STT–CLT	Charlotte Amalie to Charlotte	62	74.2%	0.1 min	0.0%
STT–JFK	Charlotte Amalie to New York	62	77.4%	60.9 min	0.0%
STT–MCO	Charlotte Amalie to Orlando	62	53.2%	22.2 min	0.0%
STT–FLL	Charlotte Amalie to Fort Lauderdale	57	68.4%	6.5 min	7.0%
STT–EWR	Charlotte Amalie to Newark	31	96.8%	-12.5 min	0.0%
STT–IAD	Charlotte Amalie to Washington	31	74.2%	11.0 min	0.0%
STT–PHL	Charlotte Amalie to Philadelphia	31	71.0%	39.1 min	0.0%
STT–ORD	Charlotte Amalie to Chicago	26	69.2%	71.6 min	0.0%
STT–IAH	Charlotte Amalie to Houston	12	41.7%	23.4 min	0.0%

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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	22.2%	32.1%	5,382
Late-arriving aircraft	60.6%	42.1%	14,684
National Aviation System	11.6%	21.4%	2,814
Extreme weather	5.6%	4.2%	1,369
Security	0.0%	0.2%	0

24,249 delay minutes on 168 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 STT on time in March 2024?

77.4% of 615 scheduled domestic departures left less than 15 minutes late, and 68.8% 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 STT · methodology · corrections.