Hilton Head Airport in September 2025

89.5%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 September 2025, reporting carriers scheduled 220 domestic departures from Hilton Head Airport (HHH). 89.5% left less than 15 minutes late and 90.0% reached their destination on time; 0.9% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so HHH departures were 6.4 points above the national departure figure.

A year earlier, in September 2024, the airport had 192 departures with 77.1% leaving on time: a change of +12.4 points, with flights up 15%.

Flights arriving at HHH that month were on time 92.3% of the time (220 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 38%, air carrier 26% and late-arriving aircraft 22%.

On time 90.0%
Arrived 15+ minutes late 8.2%
Cancelled 0.9%
Diverted 0.9%

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

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

Measure	Sep 2025	Sep 2024	HHH, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	89.5%	77.1%	79.6%	83.1%
Arrived on time	90.0%	69.3%	79.7%	82.8%
Cancelled	0.9%	3.1%	1.7%	0.5%
Average departure delay (late minutes only)	7.9 min	17.4 min	20.8 min	12.2 min
Scheduled departures a day	7	6	7	18,748
Scheduled departures	220	192	2,373	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	124	56%	86.3%	-4.5 min	1.6%
MQ Envoy Air	96	44%	94.8%	-13.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HHH–CLT	Hilton Head to Charlotte	90	95.6%	-13.4 min	0.0%
HHH–DCA	Hilton Head to Washington	34	91.2%	-18.1 min	2.9%
HHH–ATL	Hilton Head to Atlanta	30	90.0%	-5.9 min	0.0%
HHH–EWR	Hilton Head to Newark	30	86.7%	0.6 min	3.3%
HHH–LGA	Hilton Head to New York	30	76.7%	7.4 min	0.0%
HHH–ORD	Hilton Head to Chicago	4	75.0%	-6.7 min	0.0%
HHH–PHL	Hilton Head to Philadelphia	2	100.0%	-18.5 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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	25.9%	34.3%	404
Late-arriving aircraft	22.0%	37.4%	344
National Aviation System	37.6%	22.6%	587
Extreme weather	14.5%	5.6%	226
Security	0.0%	0.1%	0

1,561 delay minutes on 18 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 September 2025?

89.5% of 220 scheduled domestic departures left less than 15 minutes late, and 90.0% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 77.1% of 192 departures left on time and 3.1% were cancelled, against 89.5% and 0.9% in September 2025.

Provenance

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