Best Time to Fly BOS to CVG: On-Time Stats by Hour & Airline
Logan International → Cincinnati/Northern Kentucky International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 80.5% of Boston (BOS) to Cincinnati (CVG) flights arrived on time (2,000 scheduled flights). That is 2.8 points above the national average of 77.6%.
Republic Airways was the most punctual of the 2 airlines on the route at 82.4%, while Envoy Air trailed at 71.2%.
November has been the best month (86% on time) and Sunday the weakest day of the week (77%).
3.0% of flights were cancelled, versus 1.8% nationally.
BOS 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 |
|---|---|---|---|---|
| Republic Airways | 82.4% | 55 min | 3.2% | 1,610 |
| Envoy Air | 71.2% | 84 min | 1.9% | 365 |
| Delta Air Lines | Limited data | 25 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to CVG
On-time arrival % by scheduled departure hour (local time), 3,753 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 3 | |
| 6am–7am | 95.2% | 4.0% | 173 |
| 7am–8am | Limited data | 20 | |
| 8am–9am | 90.7% | 2.6% | 585 |
| 9am–10am | 85.4% | 0.7% | 138 |
| 10am–11am | 85.7% | 1.3% | 149 |
| 11am–12pm | 87.3% | 1.5% | 529 |
| 12pm–1pm | 83.0% | 0.0% | 48 |
| 1pm–2pm | 90.0% | 2.0% | 51 |
| 2pm–3pm | 82.2% | 0.5% | 554 |
| 3pm–4pm | 69.1% | 1.8% | 56 |
| 4pm–5pm | 71.5% | 1.5% | 204 |
| 5pm–6pm | 71.7% | 2.7% | 258 |
| 6pm–7pm | 73.2% | 2.4% | 371 |
| 7pm–8pm | 74.7% | 2.7% | 183 |
| 8pm–9pm | 68.9% | 4.2% | 333 |
| 9pm–10pm | 64.5% | 4.1% | 98 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on BOS 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) | 77.2% | -4.7 pts | 0.0% | 79 |
| Christmas & New Year (Dec 20 - Jan 3) | 74.6% | -7.4 pts | 1.7% | 116 |
| Summer peak (Jun 15 - Aug 15) | 77.5% | -4.4 pts | 3.3% | 674 |
| All other days | 82.0% | — | 1.9% | 2,884 |
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).