Airport month record
CVGJUL
Cincinnati/Northern Kentucky International in July 2025
- Departures
- 3,077
- Month
- July 2025
- National, same month
- 71.1%
- Carriers
- 10
Historical statistics for July 2025, not live status or a forecast for this year’s July. For today’s conditions at CVG, see live FAA status.
CVG in July sits in the middle of the pack with a C. About seven flights in ten arrive on time by the DOT's definition, level with the national rate of 71.1%. The late ones land an hour and a half behind schedule. That rests on 3,077 flights, of which Delta Air Lines flew 731 at 76.7% on time.
Delta Air Lines is the most reliable of the three carriers covered here at 76.7% on time across 731 flights.
Key figures
On time
71.5%
Arrivals under 15 minutes late, of 2,977 completed departures
Avg delay
94 min
Across delayed arrivals only, not all flights
Cancelled
2.73%
Nationally in July: 2.45%
Whole year
78.8%
CVG across all twelve months
These figures cover 3,077 departures from Cincinnati/Northern Kentucky International in July 2025. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.
Against the year
July next to CVG's other months
Against CVG's own year, July ran 7 points worse than the twelve-month rate of 78.8%, which makes it number eleven of twelve months, best first.
| Month | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| July 2025 (this page) | 3,077 | 71.5% | 94 min | 2.73% | C |
| August 2025 | 2,894 | 80.7% | 81 min | 1.11% | B |
| September 2025 | 2,613 | 85.4% | 69 min | 0.61% | A+ |
| October 2025 | 2,941 | 81.2% | 61 min | 0.48% | B+ |
| November 2025 | 2,713 | 82.7% | 86 min | 2.69% | B |
| December 2025 | 2,710 | 67.7% | 84 min | 1.70% | C |
| January 2026 | 2,380 | 80.3% | 81 min | 6.26% | B− |
| February 2026 | 2,270 | 77.8% | 70 min | 1.45% | B |
| March 2026 | 3,105 | 75.4% | 90 min | 2.80% | B |
| April 2026 | 2,835 | 83.6% | 85 min | 1.02% | B |
| May 2026 | 3,064 | 82.4% | 66 min | 1.01% | B |
| June 2026 | 3,129 | 77.7% | 83 min | 1.57% | B |
Departure window
The best time of day to leave CVG in July
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 48 points, against 9 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am913 flights89.0%
- 8am–11am392 flights82.4%
- 11am–2pm556 flights75.6%
- 2pm–5pm549 flights58.3%
- 5pm–8pm527 flights48.8%
- 8pm–5am140 flights41.0%
Scale runs 35% to 95%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 41.0% on time, against 89.0% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5am–8am window is the busiest, with 913 flights scheduled in it.
Across the week, Wednesday is the strongest day at 76.7% on time and Monday the weakest at 63.9%. 13 points is a smaller lever than departure hour, but it is free.
Carrier by carrier
Which airlines ran best at CVG in July
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 76.7% of the time; Allegiant Air manages 67.4%. Sample sizes sit next to every figure, because a two-point gap across 417 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 731 | 76.7% | 90 min | 1.37% | B |
| Republic Airways | 518 | 71.5% | 79 min | 5.79% | C− |
| Allegiant Air | 417 | 67.4% | 99 min | 0.24% | C+ |
| Frontier Airlinesthin sample | 265 | 78.8% | 103 min | 1.89% | B |
| PSA Airlinesthin sample | 259 | 63.6% | 105 min | 7.34% | D− |
| American Airlinesthin sample | 237 | 68.0% | 110 min | 3.38% | C− |
| Envoy Airthin sample | 210 | 69.2% | 95 min | 0.48% | C+ |
| Southwest Airlinesthin sample | 187 | 69.6% | 89 min | 2.67% | C |
| United Airlinesthin sample | 176 | 74.7% | 96 min | 1.70% | C |
| Alaska Airlinesthin sample | 61 | 63.3% | 51 min | 1.64% | D |
Republic Airways cancels 5.8% of what it schedules here, the highest in the table. A cancelled flight never appears in an on-time rate, so read that column alongside the punctuality one rather than after it.
Route by route
Busiest routes out of CVG in July
| Route | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| CVG to ORD · Chicago | 393 | 65.3% | 102 min | 2.80% | C |
| CVG to ATL · Atlantathin sample | 281 | 81.7% | 101 min | 0.36% | B+ |
| CVG to CLT · Charlottethin sample | 165 | 75.0% | 92 min | 3.03% | B− |
| CVG to DFW · Dallas-Fort Worththin sample | 163 | 67.1% | 101 min | 4.29% | C− |
| CVG to DEN · Denverthin sample | 149 | 71.3% | 93 min | 2.01% | C |
| CVG to MCO · Orlandothin sample | 146 | 68.8% | 81 min | 0.00% | C+ |
| CVG to BOS · Bostonthin sample | 140 | 70.6% | 63 min | 2.86% | C |
| CVG to MSP · Minneapolisthin sample | 116 | 76.7% | 143 min | 0.00% | B+ |
| CVG to FLL · Fort Lauderdalethin sample | 104 | 74.0% | 67 min | 2.88% | C |
| CVG to SEA · Seattlethin sample | 92 | 72.5% | 50 min | 1.09% | C |
| CVG to DCA · Washingtonthin sample | 87 | 60.5% | 117 min | 11.49% | D− |
| CVG to SLC · Salt Lake Citythin sample | 85 | 69.0% | 52 min | 1.18% | C |
| CVG to MIA · Miamithin sample | 77 | 70.1% | 84 min | 0.00% | C+ |
| CVG to LGA · New Yorkthin sample | 76 | 66.2% | 69 min | 10.53% | C− |
| CVG to PHL · Philadelphiathin sample | 73 | 43.9% | 99 min | 9.59% | F− |
| CVG to JFK · New Yorkthin sample | 66 | 84.6% | 82 min | 1.52% | B |
| CVG to BWI · Baltimorethin sample | 62 | 69.0% | 101 min | 6.45% | C− |
| CVG to EWR · Newarkthin sample | 61 | 65.4% | 112 min | 14.75% | C− |
| CVG to TPA · Tampathin sample | 59 | 70.7% | 116 min | 0.00% | C+ |
| CVG to LAS · Las Vegasthin sample | 57 | 77.8% | 85 min | 5.26% | B− |
| CVG to VPS · Valparaisothin sample | 57 | 68.4% | 112 min | 0.00% | C+ |
| CVG to RSW · Fort Myersthin sample | 49 | 89.8% | 66 min | 0.00% | A+ |
| CVG to PIE · St. Petersburgthin sample | 41 | 53.7% | 75 min | 0.00% | F+ |
| CVG to SFB · Sanfordthin sample | 40 | 67.5% | 145 min | 0.00% | C+ |
| CVG to IAH · Houstonthin sample | 39 | 91.9% | 117 min | 5.13% | A− |
Delay causes
What held CVG up in July
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 80,000 reported delay minutes.
- 35%Late-arriving aircraft
- 31%Carrier
- 23%National Airspace System
- 11%Extreme weather
- 0%Security
35% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 80,000 reported delay minutes here, that single category outweighs weather by 3 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 79,939 reported delay minutes.
Cancellations run at 2.73%, against 2.45% nationally. That is roughly one flight in 40 cancelled outright. A cancelled flight is invisible in every on-time figure on this page, so the punctuality numbers above describe only the flights that actually operated.
For anyone connecting, the number to weigh is not the on-time rate but the tail behind it. 13.2% of arrivals land a full hour or more behind schedule, against 12.1% nationally. A 45-minute layover does not survive that, and no amount of walking quickly changes it. Ninety minutes is the honest minimum here, and two hours if the onward flight is on a separate ticket.
What to do with this
Flying from CVG in July
For a July trip through CVG: plan on this being one of the airport's harder months. The 5am–8am departures held up best at 89.0% on time, and with 13.2% of arrivals an hour or more late, a connection here deserves more slack than the same trip in September would.
Related
Where to go next
- Cincinnati/Northern Kentucky International (CVG), the whole year
- CVG in August80.7%
- CVG in September85.4%
- CVG in October81.2%
- CVG in November82.7%
- CVG in December67.7%
- CVG in January80.3%
- CVG in February77.8%
- CVG in March75.4%
- CVG in April83.6%
- CVG in May82.4%
- CVG in June77.7%
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.