Cincinnati/Northern Kentucky International in March 2025

81.8%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 March 2025, reporting carriers scheduled 2,944 domestic departures from Cincinnati/Northern Kentucky International (CVG). 81.8% left less than 15 minutes late and 80.5% reached their destination on time; 1.2% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so CVG departures were 1.9 points above the national departure figure.

A year earlier, in March 2024, the airport had 3,558 departures with 84.6% leaving on time: a change of −2.8 points, with flights down 17%.

Flights arriving at CVG that month were on time 75.6% of the time (2,945 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, late-arriving aircraft 36% and national aviation system 26%.

On time 80.5%
Arrived 15+ minutes late 17.9%
Cancelled 1.2%
Diverted 0.4%

Every scheduled departure from CVG in March 2025, judged by arrival at the destination.

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

Measure	Mar 2025	Mar 2024	CVG, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	81.8%	84.6%	79.8%	79.9%
Arrived on time	80.5%	83.8%	77.6%	79.3%
Cancelled	1.2%	0.6%	1.9%	1.2%
Average departure delay (late minutes only)	15.8 min	11.7 min	16.2 min	14.9 min
Scheduled departures a day	98	119	93	20,029
Scheduled departures	2,944	3,558	33,916	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	572	19%	82.9%	2.8 min	0.5%
F9 Frontier Airlines	430	15%	77.4%	4.4 min	2.8%
YX Republic Airline	409	14%	84.6%	0.3 min	0.7%
G4 Allegiant Air	390	13%	76.2%	12.7 min	0.5%
OH PSA Airlines	281	10%	79.0%	12.8 min	2.1%
MQ Envoy Air	221	8%	77.4%	9.7 min	1.8%
WN Southwest Airlines	196	7%	82.1%	7.1 min	0.0%
UA United Airlines	182	6%	81.9%	4.1 min	0.0%
AA American Airlines	181	6%	82.3%	6.0 min	1.7%
OO SkyWest Airlines	57	2%	82.5%	0.1 min	3.5%
AS Alaska Airlines	25	1%	84.0%	-2.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CVG–ORD	Cincinnati to Chicago	256	74.2%	16.6 min	0.8%
CVG–ATL	Cincinnati to Atlanta	218	85.8%	0.9 min	0.5%
CVG–MCO	Cincinnati to Orlando	186	72.6%	18.2 min	1.6%
CVG–CLT	Cincinnati to Charlotte	174	83.9%	2.6 min	1.1%
CVG–DFW	Cincinnati to Dallas/Fort Worth	148	80.4%	5.1 min	3.4%
CVG–MIA	Cincinnati to Miami	139	82.7%	-2.0 min	2.9%
CVG–FLL	Cincinnati to Fort Lauderdale	123	79.7%	2.1 min	1.6%
CVG–DEN	Cincinnati to Denver	118	83.1%	-4.3 min	0.0%
CVG–BOS	Cincinnati to Boston	116	83.6%	2.8 min	0.0%
CVG–TPA	Cincinnati to Tampa	101	76.2%	7.1 min	3.0%
CVG–EWR	Cincinnati to Newark	87	82.8%	-4.9 min	2.3%
CVG–RSW	Cincinnati to Fort Myers	81	82.7%	-5.9 min	2.5%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	36.3%	33.0%	16,218
Late-arriving aircraft	35.5%	39.2%	15,846
National Aviation System	25.8%	21.9%	11,518
Extreme weather	2.5%	5.9%	1,106
Security	0.0%	0.1%	0

44,688 delay minutes on 526 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 CVG on time in March 2025?

81.8% of 2,944 scheduled domestic departures left less than 15 minutes late, and 80.5% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 84.6% of 3,558 departures left on time and 0.6% were cancelled, against 81.8% and 1.2% in March 2025.

Provenance

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