Charleston AFB/International in September 2024

85.7%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 September 2024, reporting carriers scheduled 2,200 domestic departures from Charleston AFB/International (CHS). 85.7% left less than 15 minutes late and 85.5% reached their destination on time; 0.6% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so CHS departures were 1.3 points above the national departure figure.

A year earlier, in September 2023, the airport had 2,069 departures with 79.3% leaving on time: a change of +6.4 points, with flights up 6%.

Flights arriving at CHS that month were on time 83.5% of the time (2,201 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 30% and national aviation system 17%.

On time 85.5%
Arrived 15+ minutes late 13.9%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from CHS in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	CHS, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	85.7%	79.3%	77.8%	84.4%
Arrived on time	85.5%	80.4%	77.5%	83.9%
Cancelled	0.6%	1.7%	2.3%	0.6%
Average departure delay (late minutes only)	11.3 min	16.3 min	18.1 min	10.6 min
Scheduled departures a day	73	69	67	19,421
Scheduled departures	2,200	2,069	24,565	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	359	16%	88.9%	2.7 min	0.0%
AA American Airlines	328	15%	82.9%	7.9 min	1.5%
WN Southwest Airlines	277	13%	88.1%	-1.7 min	0.0%
UA United Airlines	234	11%	88.5%	-1.4 min	0.4%
OH PSA Airlines	229	10%	82.1%	1.4 min	2.2%
B6 JetBlue Airways	157	7%	84.7%	6.9 min	0.0%
YX Republic Airline	127	6%	94.5%	-11.2 min	0.0%
NK Spirit Airlines	122	6%	77.0%	6.2 min	1.6%
MQ Envoy Air	119	5%	84.0%	-2.3 min	0.0%
9E Endeavor Air	112	5%	89.3%	-6.2 min	0.9%
OO SkyWest Airlines	87	4%	80.5%	6.2 min	0.0%
AS Alaska Airlines	30	1%	66.7%	6.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CHS–ATL	Charleston to Atlanta	241	89.2%	2.7 min	0.0%
CHS–CLT	Charleston to Charlotte	232	81.9%	12.8 min	3.0%
CHS–PHL	Charleston to Philadelphia	150	80.0%	2.9 min	0.7%
CHS–DCA	Charleston to Washington	147	88.4%	-4.4 min	1.4%
CHS–LGA	Charleston to New York	146	89.0%	-8.2 min	0.0%
CHS–JFK	Charleston to New York	139	89.2%	-5.8 min	0.7%
CHS–BOS	Charleston to Boston	120	81.7%	7.0 min	0.8%
CHS–EWR	Charleston to Newark	119	84.9%	1.3 min	0.0%
CHS–ORD	Charleston to Chicago	119	95.8%	-9.4 min	0.8%
CHS–BWI	Charleston to Baltimore	107	86.0%	1.3 min	0.0%
CHS–DFW	Charleston to Dallas/Fort Worth	96	76.0%	-0.3 min	0.0%
CHS–DTW	Charleston to Detroit	89	80.9%	5.4 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	29.7%	38.6%	6,880
Late-arriving aircraft	41.5%	38.4%	9,627
National Aviation System	16.8%	18.2%	3,898
Extreme weather	12.1%	4.8%	2,798
Security	0.0%	0.1%	0

23,203 delay minutes on 305 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 September 2024?

85.7% of 2,200 scheduled domestic departures left less than 15 minutes late, and 85.5% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 79.3% of 2,069 departures left on time and 1.7% were cancelled, against 85.7% and 0.6% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.