Charleston AFB/International in January 2025

76.0%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 January 2025, reporting carriers scheduled 1,661 domestic departures from Charleston AFB/International (CHS). 76.0% left less than 15 minutes late and 76.9% reached their destination on time; 9.7% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so CHS departures were 3.3 points below the national departure figure.

A year earlier, in January 2024, the airport had 1,753 departures with 78.2% leaving on time: a change of −2.2 points, with flights down 5%.

Flights arriving at CHS that month were on time 72.6% of the time (1,660 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 39% and national aviation system 12%.

On time 76.9%
Arrived 15+ minutes late 13.2%
Cancelled 9.7%
Diverted 0.1%

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

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

Measure	Jan 2025	Jan 2024	CHS, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	76.0%	78.2%	77.8%	79.3%
Arrived on time	76.9%	77.6%	77.5%	78.6%
Cancelled	9.7%	2.9%	2.3%	3.0%
Average departure delay (late minutes only)	17.0 min	20.1 min	18.1 min	14.0 min
Scheduled departures a day	55	58	67	17,992
Scheduled departures	1,661	1,753	24,565	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	316	19%	77.2%	-3.1 min	10.8%
AA American Airlines	280	17%	78.6%	15.3 min	10.7%
OH PSA Airlines	253	15%	70.0%	4.9 min	13.8%
DL Delta Air Lines	249	15%	78.7%	12.0 min	7.6%
WN Southwest Airlines	223	13%	81.6%	-2.0 min	7.6%
UA United Airlines	100	6%	72.0%	5.4 min	7.0%
B6 JetBlue Airways	78	5%	80.8%	-0.2 min	7.7%
NK Spirit Airlines	59	4%	83.1%	-8.7 min	8.5%
MQ Envoy Air	35	2%	82.9%	-4.4 min	8.6%
OO SkyWest Airlines	35	2%	54.3%	31.8 min	8.6%
AS Alaska Airlines	24	1%	91.7%	-5.2 min	4.2%
G4 Allegiant Air	9	1%	55.6%	83.3 min	11.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CHS–CLT	Charleston to Charlotte	235	79.6%	6.4 min	11.9%
CHS–ATL	Charleston to Atlanta	214	79.0%	7.6 min	8.4%
CHS–DCA	Charleston to Washington	166	63.9%	1.4 min	18.1%
CHS–EWR	Charleston to Newark	115	80.9%	-3.1 min	7.8%
CHS–PHL	Charleston to Philadelphia	114	75.4%	11.4 min	8.8%
CHS–BWI	Charleston to Baltimore	91	82.4%	-3.6 min	8.8%
CHS–ORD	Charleston to Chicago	84	77.4%	-1.2 min	8.3%
CHS–DFW	Charleston to Dallas/Fort Worth	82	74.4%	25.8 min	11.0%
CHS–BOS	Charleston to Boston	74	82.4%	13.9 min	5.4%
CHS–JFK	Charleston to New York	74	75.7%	3.8 min	8.1%
CHS–IAD	Charleston to Washington	62	77.4%	-1.3 min	11.3%
CHS–MIA	Charleston to Miami	62	80.6%	-3.9 min	8.1%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	39.2%	36.2%	9,156
Late-arriving aircraft	42.4%	34.7%	9,910
National Aviation System	11.9%	19.9%	2,774
Extreme weather	6.6%	9.1%	1,537
Security	0.0%	0.2%	3

23,380 delay minutes on 220 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 January 2025?

76.0% of 1,661 scheduled domestic departures left less than 15 minutes late, and 76.9% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 78.2% of 1,753 departures left on time and 2.9% were cancelled, against 76.0% and 9.7% in January 2025.

Provenance

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