Henry E. Rohlsen in December 2025

73.7%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 December 2025, reporting carriers scheduled 133 domestic departures from Henry E. Rohlsen (STX). 73.7% left less than 15 minutes late and 78.9% reached their destination on time; 0.0% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so STX departures were 1.7 points above the national departure figure.

A year earlier, in December 2024, the airport had 127 departures with 74.8% leaving on time: a change of −1.1 points, with flights up 5%.

Flights arriving at STX that month were on time 74.6% of the time (134 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 83%, national aviation system 9% and air carrier 8%.

On time 78.9%
Arrived 15+ minutes late 21.1%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from STX in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	STX, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	73.7%	74.8%	72.9%	72.0%
Arrived on time	78.9%	71.7%	75.0%	71.9%
Cancelled	0.0%	0.8%	1.4%	1.5%
Average departure delay (late minutes only)	16.4 min	36.9 min	25.9 min	21.2 min
Scheduled departures a day	4	4	4	19,410
Scheduled departures	133	127	1,387	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	79	59%	84.8%	-2.9 min	0.0%
B6 JetBlue Airways	31	23%	67.7%	7.3 min	0.0%
DL Delta Air Lines	14	11%	92.9%	-4.1 min	0.0%
NK Spirit Airlines	9	7%	44.4%	33.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STX–MIA	Christiansted to Miami	60	86.7%	-2.6 min	0.0%
STX–SJU	Christiansted to San Juan	31	67.7%	7.3 min	0.0%
STX–CLT	Christiansted to Charlotte	15	80.0%	-2.5 min	0.0%
STX–ATL	Christiansted to Atlanta	14	92.9%	-4.1 min	0.0%
STX–FLL	Christiansted to Fort Lauderdale	9	44.4%	33.3 min	0.0%
STX–ORD	Christiansted to Chicago	4	75.0%	-7.7 min	0.0%

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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	7.8%	33.3%	128
Late-arriving aircraft	82.9%	41.1%	1,357
National Aviation System	9.2%	19.1%	151
Extreme weather	0.0%	6.4%	0
Security	0.0%	0.2%	0

1,636 delay minutes on 28 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 STX on time in December 2025?

73.7% of 133 scheduled domestic departures left less than 15 minutes late, and 78.9% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 74.8% of 127 departures left on time and 0.8% were cancelled, against 73.7% and 0.0% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for STX · methodology · corrections.