Cyril E King in July 2024

69.9%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 July 2024, reporting carriers scheduled 495 domestic departures from Cyril E King (STT). 69.9% left less than 15 minutes late and 65.3% reached their destination on time; 1.8% were cancelled.

Nationally that month, 68.5% of flights departed on time and 68.1% arrived on time, so STT departures were 1.4 points above the national departure figure.

Flights arriving at STT that month were on time 72.3% of the time (495 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 65%, air carrier 21% and national aviation system 13%.

On time 65.3%
Arrived 15+ minutes late 30.1%
Cancelled 1.8%
Diverted 2.8%

Every scheduled departure from STT in July 2024, judged by arrival at the destination.

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

Measure	Jul 2024	Year earlier	STT, 12 months to Jul 2026	All reported flights, Jul 2024
Departed on time	69.9%	—	74.9%	68.5%
Arrived on time	65.3%	—	75.9%	68.1%
Cancelled	1.8%	—	2.1%	2.9%
Average departure delay (late minutes only)	31.8 min	—	21.9 min	24.9 min
Scheduled departures a day	17	—	15	21,154
Scheduled departures	495	—	5,548	634,613

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	170	34%	60.6%	37.1 min	0.6%
DL Delta Air Lines	97	20%	56.7%	44.0 min	4.1%
NK Spirit Airlines	79	16%	68.4%	9.8 min	1.3%
UA United Airlines	78	16%	74.4%	3.7 min	3.8%
B6 JetBlue Airways	71	14%	74.6%	2.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STT–SJU	Charlotte Amalie to San Juan	72	73.6%	4.1 min	0.0%
STT–ATL	Charlotte Amalie to Atlanta	66	59.1%	54.5 min	3.0%
STT–MIA	Charlotte Amalie to Miami	66	83.3%	12.4 min	0.0%
STT–JFK	Charlotte Amalie to New York	62	48.4%	23.7 min	3.2%
STT–CLT	Charlotte Amalie to Charlotte	61	52.5%	71.2 min	1.6%
STT–FLL	Charlotte Amalie to Fort Lauderdale	48	68.8%	15.1 min	2.1%
STT–IAD	Charlotte Amalie to Washington	35	77.1%	6.2 min	0.0%
STT–MCO	Charlotte Amalie to Orlando	31	67.7%	1.3 min	0.0%
STT–IAH	Charlotte Amalie to Houston	30	73.3%	1.0 min	6.7%
STT–DFW	Charlotte Amalie to Dallas/Fort Worth	8	12.5%	36.7 min	0.0%
STT–EWR	Charlotte Amalie to Newark	8	62.5%	-1.4 min	12.5%
STT–ORD	Charlotte Amalie to Chicago	4	100.0%	-10.7 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), July 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2024	Minutes
Air carrier	21.0%	36.6%	3,131
Late-arriving aircraft	64.9%	42.7%	9,668
National Aviation System	12.9%	16.0%	1,921
Extreme weather	1.0%	4.6%	146
Security	0.2%	0.1%	23

14,889 delay minutes on 149 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 July 2024?

69.9% of 495 scheduled domestic departures left less than 15 minutes late, and 65.3% reached their destination on time. The national figures that month were 68.5% and 68.1%.

How does that compare with a year earlier?

July 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 July 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.