Best Time to Fly ATL to CVG: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Cincinnati/Northern Kentucky International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.0% of Atlanta (ATL) to Cincinnati (CVG) flights arrived on time (3,016 scheduled flights). That is 4.4 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 83.0% on time and Frontier Airlines was last with 72.7%.
Over 24 months, Wednesday was the most reliable day (87% on time) and July the worst month (70%).
The cancellation rate was 1.3% (US average 1.8%).
ATL to CVG on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 83.0% | 57 min | 1.3% | 2,726 |
| Frontier Airlines | 72.7% | 81 min | 1.4% | 290 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to CVG
On-time arrival % by scheduled departure hour (local time), 5,849 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 2 | |
| 7am–8am | 92.2% | 2.9% | 411 |
| 8am–9am | 88.1% | 1.9% | 316 |
| 9am–10am | 87.1% | 1.5% | 526 |
| 10am–11am | 81.3% | 0.0% | 252 |
| 11am–12pm | 88.8% | 0.0% | 402 |
| 12pm–1pm | 83.6% | 1.2% | 327 |
| 1pm–2pm | 83.3% | 0.3% | 386 |
| 2pm–3pm | 84.1% | 0.4% | 227 |
| 3pm–4pm | 81.8% | 1.0% | 683 |
| 4pm–5pm | 75.8% | 1.0% | 209 |
| 5pm–6pm | 75.2% | 1.5% | 324 |
| 6pm–7pm | 77.2% | 0.5% | 406 |
| 7pm–8pm | 78.6% | 1.4% | 285 |
| 8pm–9pm | 71.0% | 1.6% | 250 |
| 9pm–10pm | 76.4% | 0.9% | 107 |
| 10pm–11pm | 81.5% | 1.6% | 637 |
| 11pm–12am | 68.7% | 0.0% | 99 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to CVG
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 83.3% | -1.1 pts | 1.0% | 103 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.2% | -8.2 pts | 1.8% | 218 |
| Summer peak (Jun 15 - Aug 15) | 74.5% | -9.9 pts | 1.5% | 1,120 |
| All other days | 84.4% | — | 1.0% | 4,408 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).