Best Time to Fly MDW to CVG: On-Time Stats by Hour & Airline
Chicago Midway International → Cincinnati/Northern Kentucky International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 73.8% of Chicago (MDW) to Cincinnati (CVG) flights arrived on time (538 scheduled flights). That is 3.8 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
September has been the best month (84% on time) and Thursday the weakest day of the week (65%).
2.0% of flights were cancelled, versus 1.8% nationally.
MDW 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 |
|---|---|---|---|---|
| Southwest Airlines | 73.8% | 55 min | 2.0% | 538 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MDW to CVG
On-time arrival % by scheduled departure hour (local time), 967 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | Limited data | 8 | |
| 9am–10am | 94.1% | 2.9% | 35 |
| 10am–11am | Limited data | 28 | |
| 11am–12pm | Limited data | 15 | |
| 12pm–1pm | 89.7% | 0.0% | 58 |
| 1pm–2pm | 74.1% | 1.8% | 114 |
| 2pm–3pm | Limited data | 26 | |
| 3pm–4pm | Limited data | 10 | |
| 4pm–5pm | Limited data | 9 | |
| 5pm–6pm | 72.2% | 1.2% | 80 |
| 6pm–7pm | 74.6% | 1.1% | 271 |
| 7pm–8pm | 66.9% | 2.6% | 152 |
| 8pm–9pm | 64.9% | 0.0% | 111 |
| 9pm–10pm | 58.8% | 0.0% | 34 |
| 10pm–11pm | Limited data | 16 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MDW 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) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 53.3% | -23.5 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 68.5% | -8.3 pts | 2.1% | 192 |
| All other days | 76.8% | — | 1.0% | 731 |
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).