Charleston AFB/International in December 2024

80.2%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 2024, reporting carriers scheduled 1,945 domestic departures from Charleston AFB/International (CHS). 80.2% left less than 15 minutes late and 79.1% reached their destination on time; 0.6% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so CHS departures were 2.4 points above the national departure figure.

A year earlier, in December 2023, the airport had 1,973 departures with 85.2% leaving on time: a change of −5.0 points, with flights down 1%.

Flights arriving at CHS that month were on time 78.6% of the time (1,945 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 29% and national aviation system 21%.

On time 79.1%
Arrived 15+ minutes late 20.2%
Cancelled 0.6%
Diverted 0.1%

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

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

Measure	Dec 2024	Dec 2023	CHS, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	80.2%	85.2%	77.8%	77.8%
Arrived on time	79.1%	87.5%	77.5%	78.1%
Cancelled	0.6%	0.5%	2.3%	0.7%
Average departure delay (late minutes only)	14.9 min	12.1 min	18.1 min	16.6 min
Scheduled departures a day	65	66	67	19,686
Scheduled departures	1,945	1,973	24,565	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	347	18%	82.4%	4.3 min	0.0%
AA American Airlines	281	14%	77.9%	5.7 min	1.1%
YX Republic Airline	252	13%	81.7%	3.4 min	0.0%
WN Southwest Airlines	235	12%	83.8%	5.3 min	0.0%
OH PSA Airlines	196	10%	76.0%	15.4 min	2.6%
UA United Airlines	168	9%	82.7%	5.0 min	0.0%
B6 JetBlue Airways	121	6%	61.2%	18.5 min	1.7%
9E Endeavor Air	120	6%	77.5%	6.9 min	0.0%
MQ Envoy Air	76	4%	78.9%	6.1 min	1.3%
NK Spirit Airlines	60	3%	76.7%	5.8 min	0.0%
OO SkyWest Airlines	49	3%	73.5%	5.8 min	0.0%
AS Alaska Airlines	31	2%	87.1%	-9.7 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CHS–CLT	Charleston to Charlotte	241	75.5%	16.0 min	0.0%
CHS–ATL	Charleston to Atlanta	237	83.5%	5.6 min	0.0%
CHS–DCA	Charleston to Washington	143	81.1%	3.0 min	3.5%
CHS–JFK	Charleston to New York	136	69.1%	12.3 min	0.7%
CHS–EWR	Charleston to Newark	124	77.4%	10.0 min	0.0%
CHS–LGA	Charleston to New York	111	81.1%	-0.6 min	0.0%
CHS–ORD	Charleston to Chicago	105	78.1%	4.0 min	0.0%
CHS–DFW	Charleston to Dallas/Fort Worth	98	78.6%	-0.4 min	4.1%
CHS–BWI	Charleston to Baltimore	94	83.0%	2.3 min	0.0%
CHS–BOS	Charleston to Boston	91	63.7%	17.8 min	1.1%
CHS–PHL	Charleston to Philadelphia	72	80.6%	2.5 min	0.0%
CHS–MIA	Charleston to Miami	64	76.6%	7.1 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	28.7%	34.3%	7,600
Late-arriving aircraft	48.4%	40.2%	12,847
National Aviation System	21.1%	17.8%	5,594
Extreme weather	1.7%	7.5%	464
Security	0.1%	0.2%	19

26,524 delay minutes on 392 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 December 2024?

80.2% of 1,945 scheduled domestic departures left less than 15 minutes late, and 79.1% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 85.2% of 1,973 departures left on time and 0.5% were cancelled, against 80.2% and 0.6% in December 2024.

Provenance

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