Columbia Regional in April 2025

72.6%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 April 2025, reporting carriers scheduled 168 domestic departures from Columbia Regional (COU). 72.6% left less than 15 minutes late and 70.8% reached their destination on time; 1.2% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so COU departures were 8.0 points below the national departure figure.

A year earlier, in April 2024, the airport had 122 departures with 85.2% leaving on time: a change of −12.6 points, with flights up 38%.

Flights arriving at COU that month were on time 69.6% of the time (168 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 32%, national aviation system 27% and late-arriving aircraft 26%.

On time 70.8%
Arrived 15+ minutes late 28.0%
Cancelled 1.2%
Diverted 0.0%

Every scheduled departure from COU in April 2025, judged by arrival at the destination.

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

Measure	Apr 2025	Apr 2024	COU, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	72.6%	85.2%	77.7%	80.6%
Arrived on time	70.8%	81.1%	75.6%	79.5%
Cancelled	1.2%	0.8%	3.1%	0.8%
Average departure delay (late minutes only)	15.9 min	9.6 min	20.5 min	14.1 min
Scheduled departures a day	6	4	10	19,465
Scheduled departures	168	122	3,635	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	138	82%	73.9%	8.5 min	0.0%
OO SkyWest Airlines	30	18%	56.7%	29.3 min	6.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
COU–DFW	Columbia to Dallas/Fort Worth	90	61.1%	21.8 min	2.2%
COU–ORD	Columbia to Chicago	78	82.1%	0.9 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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	14.7%	32.7%	451
Late-arriving aircraft	26.2%	39.4%	805
National Aviation System	27.1%	22.2%	832
Extreme weather	31.9%	5.5%	979
Security	0.0%	0.2%	0

3,067 delay minutes on 47 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 COU on time in April 2025?

72.6% of 168 scheduled domestic departures left less than 15 minutes late, and 70.8% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 85.2% of 122 departures left on time and 0.8% were cancelled, against 72.6% and 1.2% in April 2025.

Provenance

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