Hilton Head Airport in December 2025

77.8%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 December 2025, reporting carriers scheduled 108 domestic departures from Hilton Head Airport (HHH). 77.8% left less than 15 minutes late and 81.5% reached their destination on time; 2.8% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so HHH departures were 5.8 points above the national departure figure.

A year earlier, in December 2024, the airport had 77 departures with 75.3% leaving on time: a change of +2.5 points, with flights up 40%.

Flights arriving at HHH that month were on time 74.1% of the time (108 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 88%, national aviation system 11% and air carrier 1%.

On time 81.5%
Arrived 15+ minutes late 15.7%
Cancelled 2.8%
Diverted 0.0%

Every scheduled departure from HHH 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	HHH, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	77.8%	75.3%	79.6%	72.0%
Arrived on time	81.5%	71.4%	79.7%	71.9%
Cancelled	2.8%	1.3%	1.7%	1.5%
Average departure delay (late minutes only)	12.2 min	14.1 min	20.8 min	21.2 min
Scheduled departures a day	4	3	7	19,410
Scheduled departures	108	77	2,373	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	91	84%	85.7%	-8.1 min	3.3%
YX Republic Airline	17	16%	58.8%	24.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HHH–CLT	Hilton Head to Charlotte	91	85.7%	-8.1 min	3.3%
HHH–DCA	Hilton Head to Washington	17	58.8%	24.7 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	1.1%	33.3%	10
Late-arriving aircraft	87.6%	41.1%	804
National Aviation System	11.3%	19.1%	104
Extreme weather	0.0%	6.4%	0
Security	0.0%	0.2%	0

918 delay minutes on 17 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 HHH on time in December 2025?

77.8% of 108 scheduled domestic departures left less than 15 minutes late, and 81.5% 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, 75.3% of 77 departures left on time and 1.3% were cancelled, against 77.8% and 2.8% 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 HHH · methodology · corrections.