Best Time to Fly CVG to BOS: On-Time Stats by Hour & Airline
Cincinnati/Northern Kentucky International → Logan International
Data through July 2026 · Last updated October 18, 2026
1,999 flights were scheduled from Cincinnati (CVG) to Boston (BOS) in the last 12 months, and 80.4% of those that flew arrived on time, 2.8 points above the US average of 77.6%.
Among 2 airlines, Envoy Air led with 92.8% on time and Republic Airways was last with 77.9%.
Over 24 months, Saturday was the most reliable day (89% on time) and July the worst month (74%).
The cancellation rate was 3.1% (US average 1.8%).
CVG to BOS 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 |
|---|---|---|---|---|
| Envoy Air | 92.8% | 87 min | 0.8% | 365 |
| Republic Airways | 77.9% | 66 min | 3.7% | 1,610 |
| Delta Air Lines | Limited data | 24 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CVG to BOS
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 | 4 | |
| 6am–7am | 90.0% | 1.7% | 580 |
| 7am–8am | 92.3% | 1.2% | 741 |
| 8am–9am | 88.2% | 0.0% | 103 |
| 9am–10am | 95.3% | 0.0% | 43 |
| 10am–11am | Limited data | 20 | |
| 11am–12pm | 82.5% | 2.2% | 445 |
| 12pm–1pm | 84.7% | 1.7% | 173 |
| 1pm–2pm | 76.5% | 3.8% | 106 |
| 2pm–3pm | 69.2% | 2.3% | 521 |
| 3pm–4pm | 58.5% | 6.7% | 45 |
| 4pm–5pm | 79.5% | 0.0% | 83 |
| 5pm–6pm | 64.7% | 2.7% | 557 |
| 6pm–7pm | 77.3% | 2.6% | 113 |
| 7pm–8pm | Limited data | 29 | |
| 8pm–9pm | 80.2% | 6.4% | 140 |
| 9pm–10pm | 75.0% | 4.0% | 50 |
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 BOS
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% | +1.8 pts | 0.0% | 78 |
| Christmas & New Year (Dec 20 - Jan 3) | 81.4% | -0.2 pts | 1.7% | 116 |
| Summer peak (Jun 15 - Aug 15) | 77.3% | -4.3 pts | 3.6% | 674 |
| All other days | 81.6% | — | 1.9% | 2,885 |
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).