Best Time to Fly ROC to BOS: On-Time Stats by Hour & Airline
Frederick Douglass Grtr Rochester International → Logan International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 83.7% of Rochester (ROC) to Boston (BOS) flights arrived on time (384 scheduled flights). That is 6.0 points above the national average of 77.6%.
Among 2 airlines, Envoy Air led with 86.6% on time and Republic Airways was last with 82.8%.
Over 24 months, Saturday was the most reliable day (92% on time) and July the worst month (79%).
The cancellation rate was 2.9% (US average 1.8%).
ROC 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 | 86.6% | 45 min | 1.2% | 83 |
| Republic Airways | 82.8% | 90 min | 3.3% | 301 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ROC to BOS
On-time arrival % by scheduled departure hour (local time), 384 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 28 | |
| 6am–7am | 92.9% | 6.7% | 75 |
| 7am–8am | 90.5% | 3.1% | 65 |
| 10am–11am | Limited data | 6 | |
| 11am–12pm | 91.9% | 0.0% | 37 |
| 12pm–1pm | 86.3% | 0.0% | 73 |
| 2pm–3pm | Limited data | 10 | |
| 3pm–4pm | Limited data | 12 | |
| 4pm–5pm | Limited data | 2 | |
| 5pm–6pm | 60.0% | 0.0% | 30 |
| 6pm–7pm | 57.1% | 7.9% | 38 |
| 7pm–8pm | Limited data | 8 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ROC to BOS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Summer peak (Jun 15 - Aug 15) | 80.3% | -5.1 pts | 5.9% | 135 |
| All other days | 85.4% | — | 1.2% | 249 |
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).