Charleston AFB/International in October 2025

78.6%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 October 2025, reporting carriers scheduled 2,149 domestic departures from Charleston AFB/International (CHS). 78.6% left less than 15 minutes late and 79.0% reached their destination on time; 0.5% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so CHS departures were 1.4 points below the national departure figure.

A year earlier, in October 2024, the airport had 2,253 departures with 89.8% leaving on time: a change of −11.2 points, with flights down 5%.

Flights arriving at CHS that month were on time 78.4% of the time (2,149 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 34% and national aviation system 28%.

On time 79.0%
Arrived 15+ minutes late 20.3%
Cancelled 0.5%
Diverted 0.2%

Every scheduled departure from CHS in October 2025, judged by arrival at the destination.

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

Measure	Oct 2025	Oct 2024	CHS, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	78.6%	89.8%	77.8%	80.0%
Arrived on time	79.0%	90.5%	77.5%	79.1%
Cancelled	0.5%	0.1%	2.3%	0.5%
Average departure delay (late minutes only)	17.3 min	7.6 min	18.1 min	13.9 min
Scheduled departures a day	72	75	67	20,195
Scheduled departures	2,149	2,253	24,565	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	553	26%	79.4%	13.6 min	0.0%
DL Delta Air Lines	466	22%	84.1%	3.6 min	1.1%
WN Southwest Airlines	331	15%	77.0%	6.4 min	0.0%
UA United Airlines	210	10%	79.0%	13.7 min	0.0%
YX Republic Airline	163	8%	82.2%	4.2 min	0.6%
B6 JetBlue Airways	153	7%	72.5%	13.1 min	0.7%
MQ Envoy Air	91	4%	80.2%	7.5 min	0.0%
OH PSA Airlines	60	3%	76.7%	5.1 min	1.7%
NK Spirit Airlines	54	3%	63.0%	13.8 min	1.9%
AS Alaska Airlines	30	1%	66.7%	9.7 min	3.3%
F9 Frontier Airlines	19	1%	78.9%	2.6 min	0.0%
G4 Allegiant Air	11	1%	63.6%	88.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CHS–ATL	Charleston to Atlanta	279	91.4%	-3.7 min	0.4%
CHS–CLT	Charleston to Charlotte	227	83.3%	16.9 min	0.0%
CHS–ORD	Charleston to Chicago	176	82.4%	6.7 min	0.0%
CHS–DCA	Charleston to Washington	151	76.8%	4.6 min	0.7%
CHS–EWR	Charleston to Newark	128	66.4%	18.7 min	0.8%
CHS–PHL	Charleston to Philadelphia	125	76.8%	9.0 min	0.0%
CHS–LGA	Charleston to New York	124	74.2%	16.5 min	4.0%
CHS–BWI	Charleston to Baltimore	118	79.7%	3.1 min	0.0%
CHS–BOS	Charleston to Boston	99	52.5%	31.7 min	0.0%
CHS–BNA	Charleston to Nashville	92	78.3%	9.1 min	0.0%
CHS–DFW	Charleston to Dallas/Fort Worth	91	76.9%	19.3 min	0.0%
CHS–MIA	Charleston to Miami	87	81.6%	4.6 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), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	34.1%	34.0%	12,029
Late-arriving aircraft	38.2%	39.7%	13,483
National Aviation System	27.5%	22.9%	9,724
Extreme weather	0.1%	3.3%	32
Security	0.1%	0.1%	38

35,306 delay minutes on 437 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 CHS on time in October 2025?

78.6% of 2,149 scheduled domestic departures left less than 15 minutes late, and 79.0% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 89.8% of 2,253 departures left on time and 0.1% were cancelled, against 78.6% and 0.5% in October 2025.

Provenance

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