Hilton Head Airport in August 2025

77.7%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 August 2025, reporting carriers scheduled 260 domestic departures from Hilton Head Airport (HHH). 77.7% left less than 15 minutes late and 78.8% reached their destination on time; 0.0% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so HHH departures were 0.9 points above the national departure figure.

A year earlier, in August 2024, the airport had 234 departures with 76.5% leaving on time: a change of +1.2 points, with flights up 11%.

Flights arriving at HHH that month were on time 81.5% of the time (260 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, late-arriving aircraft 34% and extreme weather 18%.

On time 78.8%
Arrived 15+ minutes late 20.4%
Cancelled 0.0%
Diverted 0.8%

Every scheduled departure from HHH in August 2025, judged by arrival at the destination.

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

Measure	Aug 2025	Aug 2024	HHH, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	77.7%	76.5%	79.6%	76.8%
Arrived on time	78.8%	73.5%	79.7%	76.3%
Cancelled	0.0%	5.6%	1.7%	1.1%
Average departure delay (late minutes only)	27.5 min	21.9 min	20.8 min	17.6 min
Scheduled departures a day	9	8	7	20,079
Scheduled departures	260	234	2,373	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	135	52%	72.6%	30.7 min	0.0%
MQ Envoy Air	125	48%	85.6%	-1.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HHH–CLT	Hilton Head to Charlotte	93	81.7%	1.8 min	0.0%
HHH–PHL	Hilton Head to Philadelphia	33	69.7%	55.8 min	0.0%
HHH–DCA	Hilton Head to Washington	32	93.8%	-9.6 min	0.0%
HHH–ATL	Hilton Head to Atlanta	31	83.9%	3.7 min	0.0%
HHH–EWR	Hilton Head to Newark	31	67.7%	16.8 min	0.0%
HHH–LGA	Hilton Head to New York	31	71.0%	51.5 min	0.0%
HHH–BOS	Hilton Head to Boston	5	80.0%	-12.2 min	0.0%
HHH–ORD	Hilton Head to Chicago	4	75.0%	33.8 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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	36.3%	33.1%	2,438
Late-arriving aircraft	34.2%	40.5%	2,295
National Aviation System	11.6%	19.2%	781
Extreme weather	17.9%	7.0%	1,205
Security	0.0%	0.1%	0

6,719 delay minutes on 53 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 August 2025?

77.7% of 260 scheduled domestic departures left less than 15 minutes late, and 78.8% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 76.5% of 234 departures left on time and 5.6% were cancelled, against 77.7% and 0.0% in August 2025.

Provenance

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