Cincinnati/Northern Kentucky International in July 2025

70.1%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 July 2025, reporting carriers scheduled 3,077 domestic departures from Cincinnati/Northern Kentucky International (CVG). 70.1% left less than 15 minutes late and 69.2% reached their destination on time; 2.7% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so CVG departures were level with the national departure figure.

A year earlier, in July 2024, the airport had 3,752 departures with 71.0% leaving on time: a change of −0.9 points, with flights down 18%.

Flights arriving at CVG that month were on time 62.5% of the time (3,078 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 35%, air carrier 31% and national aviation system 23%.

On time 69.2%
Arrived 15+ minutes late 27.6%
Cancelled 2.7%
Diverted 0.5%

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

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

Measure	Jul 2025	Jul 2024	CVG, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	70.1%	71.0%	79.8%	69.7%
Arrived on time	69.2%	69.7%	77.6%	69.0%
Cancelled	2.7%	3.8%	1.9%	2.5%
Average departure delay (late minutes only)	27.4 min	26.1 min	16.2 min	24.3 min
Scheduled departures a day	103	125	93	21,048
Scheduled departures	3,077	3,752	33,916	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	731	24%	75.1%	13.2 min	1.4%
YX Republic Airline	518	17%	67.2%	14.1 min	5.8%
G4 Allegiant Air	417	14%	66.9%	27.4 min	0.2%
F9 Frontier Airlines	265	9%	77.0%	11.9 min	1.9%
OH PSA Airlines	259	8%	58.7%	32.8 min	7.3%
AA American Airlines	237	8%	65.4%	30.8 min	3.4%
MQ Envoy Air	210	7%	68.6%	23.8 min	0.5%
WN Southwest Airlines	187	6%	67.4%	22.3 min	2.7%
UA United Airlines	176	6%	72.2%	16.2 min	1.7%
AS Alaska Airlines	61	2%	62.3%	16.0 min	1.6%
OO SkyWest Airlines	16	1%	37.5%	96.1 min	6.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CVG–ORD	Cincinnati to Chicago	393	63.1%	27.5 min	2.8%
CVG–ATL	Cincinnati to Atlanta	281	80.8%	9.0 min	0.4%
CVG–CLT	Cincinnati to Charlotte	165	72.7%	17.3 min	3.0%
CVG–DFW	Cincinnati to Dallas/Fort Worth	163	63.8%	27.3 min	4.3%
CVG–DEN	Cincinnati to Denver	149	68.5%	19.1 min	2.0%
CVG–MCO	Cincinnati to Orlando	146	67.8%	18.8 min	0.0%
CVG–BOS	Cincinnati to Boston	140	68.6%	10.5 min	2.9%
CVG–MSP	Cincinnati to Minneapolis	116	76.7%	23.8 min	0.0%
CVG–FLL	Cincinnati to Fort Lauderdale	104	71.2%	12.7 min	2.9%
CVG–SEA	Cincinnati to Seattle	92	71.7%	7.9 min	1.1%
CVG–DCA	Cincinnati to Washington	87	52.9%	43.6 min	11.5%
CVG–SLC	Cincinnati to Salt Lake City	85	68.2%	11.1 min	1.2%

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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	31.0%	31.1%	24,766
Late-arriving aircraft	34.9%	40.8%	27,862
National Aviation System	23.4%	20.7%	18,720
Extreme weather	10.7%	7.3%	8,580
Security	0.0%	0.1%	11

79,939 delay minutes on 849 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 July 2025?

70.1% of 3,077 scheduled domestic departures left less than 15 minutes late, and 69.2% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 71.0% of 3,752 departures left on time and 3.8% were cancelled, against 70.1% and 2.7% in July 2025.

Provenance

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