Cyril E King in July 2026

72.8%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 2026, reporting carriers scheduled 448 domestic departures from Cyril E King (STT). 72.8% left less than 15 minutes late and 73.4% reached their destination on time; 0.4% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so STT departures were 4.0 points above the national departure figure.

A year earlier, in July 2025, the airport had 510 departures with 81.0% leaving on time: a change of −8.2 points, with flights down 12%.

Flights arriving at STT that month were on time 76.3% of the time (448 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, air carrier 37% and national aviation system 9%.

On time 73.4%
Arrived 15+ minutes late 21.7%
Cancelled 0.4%
Diverted 4.5%

Every scheduled departure from STT in July 2026, judged by arrival at the destination.

July 2026 against a year earlier, the airport's year and the nation

Measure	Jul 2026	Jul 2025	STT, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	72.8%	81.0%	74.9%	68.8%
Arrived on time	73.4%	81.2%	75.9%	69.4%
Cancelled	0.4%	0.0%	2.1%	2.6%
Average departure delay (late minutes only)	22.6 min	16.4 min	21.9 min	24.1 min
Scheduled departures a day	15	17	15	21,066
Scheduled departures	448	510	5,548	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	190	42%	77.4%	1.1 min	0.0%
DL Delta Air Lines	97	22%	76.3%	-2.5 min	1.0%
UA United Airlines	78	17%	79.5%	9.1 min	0.0%
B6 JetBlue Airways	44	10%	63.6%	26.1 min	2.3%
WN Southwest Airlines	39	9%	46.2%	19.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STT–ATL	Charlotte Amalie to Atlanta	66	74.2%	-0.7 min	1.5%
STT–MIA	Charlotte Amalie to Miami	66	75.8%	16.0 min	0.0%
STT–CLT	Charlotte Amalie to Charlotte	64	89.1%	-14.8 min	0.0%
STT–JFK	Charlotte Amalie to New York	62	71.0%	6.2 min	0.0%
STT–SJU	Charlotte Amalie to San Juan	44	63.6%	26.1 min	2.3%
STT–IAD	Charlotte Amalie to Washington	35	74.3%	1.4 min	0.0%
STT–IAH	Charlotte Amalie to Houston	31	87.1%	-7.4 min	0.0%
STT–MCO	Charlotte Amalie to Orlando	31	54.8%	19.4 min	0.0%
STT–DFW	Charlotte Amalie to Dallas/Fort Worth	25	80.0%	-19.3 min	0.0%
STT–BWI	Charlotte Amalie to Baltimore	8	12.5%	14.7 min	0.0%
STT–EWR	Charlotte Amalie to Newark	8	75.0%	119.5 min	0.0%
STT–ORD	Charlotte Amalie to Chicago	4	75.0%	-27.3 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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	36.7%	31.7%	3,007
Late-arriving aircraft	52.5%	41.8%	4,298
National Aviation System	9.4%	19.9%	770
Extreme weather	1.4%	6.5%	115
Security	0.0%	0.1%	0

8,190 delay minutes on 97 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 2026?

72.8% of 448 scheduled domestic departures left less than 15 minutes late, and 73.4% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 81.0% of 510 departures left on time and 0.0% were cancelled, against 72.8% and 0.4% in July 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; 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.