Best Time to Fly CVG to MDW: On-Time Stats by Hour & Airline
Cincinnati/Northern Kentucky International → Chicago Midway International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.4% of Cincinnati (CVG) to Chicago (MDW) flights arrived on time (538 scheduled flights). That is 3.8 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
November has been the best month (97% on time) and Friday the weakest day of the week (79%).
1.1% of flights were cancelled, versus 1.8% nationally.
CVG to MDW 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 | 81.4% | 64 min | 1.1% | 538 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CVG to MDW
On-time arrival % by scheduled departure hour (local time), 967 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 90.8% | 0.7% | 287 |
| 7am–8am | 89.7% | 0.8% | 236 |
| 8am–9am | 87.0% | 0.9% | 109 |
| 9am–10am | 85.2% | 0.0% | 54 |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | Limited data | 10 | |
| 2pm–3pm | Limited data | 18 | |
| 3pm–4pm | Limited data | 24 | |
| 4pm–5pm | Limited data | 23 | |
| 5pm–6pm | Limited data | 14 | |
| 6pm–7pm | Limited data | 27 | |
| 7pm–8pm | 76.9% | 0.0% | 53 |
| 8pm–9pm | 57.7% | 0.0% | 98 |
| 9pm–10pm | Limited data | 13 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CVG to MDW
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) | 83.3% | -1.0 pts | 0.0% | 30 |
| Summer peak (Jun 15 - Aug 15) | 81.6% | -2.8 pts | 0.0% | 192 |
| All other days | 84.3% | — | 0.8% | 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).