Cyril E King in January 2026

62.8%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 January 2026, reporting carriers scheduled 602 domestic departures from Cyril E King (STT). 62.8% left less than 15 minutes late and 62.6% reached their destination on time; 8.6% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so STT departures were 12.8 points below the national departure figure.

A year earlier, in January 2025, the airport had 506 departures with 81.2% leaving on time: a change of −18.4 points, with flights up 19%.

Flights arriving at STT that month were on time 64.8% of the time (602 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 51%, late-arriving aircraft 30% and national aviation system 17%.

On time 62.6%
Arrived 15+ minutes late 25.4%
Cancelled 8.6%
Diverted 3.3%

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

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

Measure	Jan 2026	Jan 2025	STT, 12 months to Jul 2026	All reported flights, Jan 2026
Departed on time	62.8%	81.2%	74.9%	75.6%
Arrived on time	62.6%	82.0%	75.9%	75.3%
Cancelled	8.6%	1.0%	2.1%	4.7%
Average departure delay (late minutes only)	44.6 min	23.2 min	21.9 min	16.7 min
Scheduled departures a day	20	17	15	18,133
Scheduled departures	602	506	5,548	544,003

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	234	39%	62.0%	59.7 min	8.5%
DL Delta Air Lines	151	25%	68.2%	4.9 min	8.6%
UA United Airlines	100	17%	63.0%	12.3 min	9.0%
B6 JetBlue Airways	67	11%	53.7%	37.8 min	7.5%
NK Spirit Airlines	50	8%	60.0%	16.3 min	10.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STT–ATL	Charlotte Amalie to Atlanta	89	70.8%	13.9 min	5.6%
STT–MIA	Charlotte Amalie to Miami	85	69.4%	54.2 min	4.7%
STT–SJU	Charlotte Amalie to San Juan	67	53.7%	37.8 min	7.5%
STT–CLT	Charlotte Amalie to Charlotte	62	67.7%	45.8 min	11.3%
STT–JFK	Charlotte Amalie to New York	62	59.7%	57.6 min	14.5%
STT–ORD	Charlotte Amalie to Chicago	47	44.7%	59.5 min	6.4%
STT–IAD	Charlotte Amalie to Washington	36	66.7%	13.8 min	11.1%
STT–BOS	Charlotte Amalie to Boston	31	67.7%	-9.0 min	9.7%
STT–EWR	Charlotte Amalie to Newark	31	71.0%	0.5 min	6.5%
STT–PHL	Charlotte Amalie to Philadelphia	31	51.6%	18.2 min	6.5%
STT–FLL	Charlotte Amalie to Fort Lauderdale	25	48.0%	28.7 min	8.0%
STT–MCO	Charlotte Amalie to Orlando	25	72.0%	3.4 min	12.0%

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), January 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2026	Minutes
Air carrier	50.6%	37.3%	11,574
Late-arriving aircraft	29.6%	35.0%	6,766
National Aviation System	17.2%	18.0%	3,935
Extreme weather	2.6%	9.6%	589
Security	0.1%	0.1%	17

22,881 delay minutes on 153 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 January 2026?

62.8% of 602 scheduled domestic departures left less than 15 minutes late, and 62.6% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 81.2% of 506 departures left on time and 1.0% were cancelled, against 62.8% and 8.6% in January 2026.

Provenance

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