Best Time to Fly CVG to BWI: On-Time Stats by Hour & Airline
Cincinnati/Northern Kentucky International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 84.9% of Cincinnati (CVG) to Baltimore (BWI) flights arrived on time (720 scheduled flights). That is 7.2 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
April has been the best month (91% on time) and Monday the weakest day of the week (81%).
1.1% of flights were cancelled, versus 1.8% nationally.
CVG to BWI 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 | 84.9% | 62 min | 1.1% | 720 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CVG to BWI
On-time arrival % by scheduled departure hour (local time), 1,439 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 93.2% | 0.6% | 492 |
| 6am–7am | 92.5% | 0.5% | 202 |
| 7am–8am | Limited data | 1 | |
| 8am–9am | 90.0% | 0.0% | 30 |
| 11am–12pm | Limited data | 1 | |
| 12pm–1pm | Limited data | 8 | |
| 1pm–2pm | Limited data | 7 | |
| 2pm–3pm | Limited data | 13 | |
| 3pm–4pm | 79.8% | 1.7% | 236 |
| 4pm–5pm | 72.3% | 1.7% | 237 |
| 5pm–6pm | 67.1% | 0.6% | 165 |
| 6pm–7pm | Limited data | 27 | |
| 7pm–8pm | Limited data | 20 | |
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 BWI
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 | 28 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 83.3% | -2.2 pts | 0.0% | 60 |
| Summer peak (Jun 15 - Aug 15) | 74.6% | -10.9 pts | 2.4% | 249 |
| All other days | 85.5% | — | 0.8% | 1,102 |
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).