Cincinnati/Northern Kentucky International in June 2025

72.4%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 June 2025, reporting carriers scheduled 3,036 domestic departures from Cincinnati/Northern Kentucky International (CVG). 72.4% left less than 15 minutes late and 72.2% reached their destination on time; 1.5% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so CVG departures were 1.0 points above the national departure figure.

A year earlier, in June 2024, the airport had 3,631 departures with 78.4% leaving on time: a change of −6.0 points, with flights down 16%.

Flights arriving at CVG that month were on time 66.1% of the time (3,036 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 27% and national aviation system 23%.

On time 72.2%
Arrived 15+ minutes late 26.0%
Cancelled 1.5%
Diverted 0.3%

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

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

Measure	Jun 2025	Jun 2024	CVG, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	72.4%	78.4%	79.8%	71.4%
Arrived on time	72.2%	76.9%	77.6%	70.3%
Cancelled	1.5%	1.6%	1.9%	1.6%
Average departure delay (late minutes only)	22.1 min	18.2 min	16.2 min	22.1 min
Scheduled departures a day	101	121	93	20,386
Scheduled departures	3,036	3,631	33,916	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	695	23%	77.4%	9.7 min	1.4%
YX Republic Airline	491	16%	71.9%	12.0 min	1.6%
G4 Allegiant Air	430	14%	68.1%	20.9 min	0.2%
F9 Frontier Airlines	257	8%	75.1%	13.6 min	1.9%
OH PSA Airlines	248	8%	62.9%	21.9 min	5.6%
AA American Airlines	241	8%	63.5%	23.1 min	2.9%
MQ Envoy Air	213	7%	74.6%	17.2 min	0.0%
UA United Airlines	204	7%	79.9%	7.8 min	0.0%
WN Southwest Airlines	187	6%	74.3%	14.0 min	0.0%
AS Alaska Airlines	49	2%	59.2%	24.4 min	0.0%
OO SkyWest Airlines	21	1%	76.2%	13.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CVG–ORD	Cincinnati to Chicago	380	75.5%	9.0 min	0.0%
CVG–ATL	Cincinnati to Atlanta	267	76.0%	11.1 min	3.7%
CVG–DFW	Cincinnati to Dallas/Fort Worth	159	62.3%	23.7 min	5.0%
CVG–CLT	Cincinnati to Charlotte	151	68.2%	16.4 min	1.3%
CVG–MCO	Cincinnati to Orlando	149	67.8%	27.2 min	0.0%
CVG–BOS	Cincinnati to Boston	140	76.4%	7.8 min	0.0%
CVG–DEN	Cincinnati to Denver	137	73.0%	10.6 min	0.7%
CVG–MSP	Cincinnati to Minneapolis	115	85.2%	-3.9 min	0.0%
CVG–FLL	Cincinnati to Fort Lauderdale	105	70.5%	11.6 min	1.9%
CVG–PHL	Cincinnati to Philadelphia	89	65.2%	28.7 min	2.2%
CVG–DCA	Cincinnati to Washington	86	50.0%	30.3 min	11.6%
CVG–SLC	Cincinnati to Salt Lake City	82	81.7%	9.2 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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	27.1%	31.6%	17,295
Late-arriving aircraft	43.2%	40.6%	27,563
National Aviation System	22.7%	20.9%	14,526
Extreme weather	6.9%	6.9%	4,423
Security	0.1%	0.2%	63

63,870 delay minutes on 789 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 June 2025?

72.4% of 3,036 scheduled domestic departures left less than 15 minutes late, and 72.2% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 78.4% of 3,631 departures left on time and 1.6% were cancelled, against 72.4% and 1.5% in June 2025.

Provenance

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