Best Time to Fly BOS to ROC: On-Time Stats by Hour & Airline
Logan International → Frederick Douglass Grtr Rochester International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.8% of Boston (BOS) to Rochester (ROC) flights arrived on time (385 scheduled flights). That is 1.1 points above the national average of 77.6%.
Among 2 airlines, Envoy Air led with 95.1% on time and Republic Airways was last with 74.1%.
Over 24 months, Monday was the most reliable day (91% on time) and March the worst month (71%).
The cancellation rate was 3.1% (US average 1.8%).
BOS to ROC 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 | 95.1% | 61 min | 1.2% | 83 |
| Republic Airways | 74.1% | 62 min | 3.6% | 302 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly BOS to ROC
On-time arrival % by scheduled departure hour (local time), 385 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 6 | |
| 9am–10am | 93.3% | 0.0% | 105 |
| 10am–11am | Limited data | 4 | |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | Limited data | 12 | |
| 2pm–3pm | Limited data | 2 | |
| 3pm–4pm | 76.7% | 0.0% | 30 |
| 4pm–5pm | 67.7% | 10.5% | 38 |
| 5pm–6pm | Limited data | 8 | |
| 6pm–7pm | Limited data | 6 | |
| 7pm–8pm | Limited data | 18 | |
| 8pm–9pm | 70.0% | 3.6% | 84 |
| 9pm–10pm | 67.2% | 6.5% | 62 |
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 ROC
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) | 77.2% | -2.4 pts | 5.9% | 135 |
| All other days | 79.6% | — | 1.6% | 250 |
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).