Boston (BOS) to Rochester (ROC): On-Time Performance
Data through July 2026
Delays are only half the story on BOS–ROC: 3.1% of its scheduled flights were outright cancelled, well above the US norm, so a backup plan matters more here than on most routes. When flights do go, 79% land on time, no worse than the national average of 78%. Envoy Air has been the safer pick, arriving on time 95% of the time.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 3.1%
- Flights/day
- 1.1
- last 12 months
- Duration
- 1h 35m
- scheduled
- Distance
- 343 mi
Best airline from BOS to ROC
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 95% | 4 min | 1.2% | 83 |
| Republic Airways | 74% | 17 min | 3.6% | 302 |
Monthly on-time trend
Best time to fly from BOS to ROC
Aim for departures around 9 a.m. (93% on-time); avoid 9 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Mondaybest | 91% | 7 min |
| Tuesday | 82% | 13 min |
| Wednesday | 74% | 22 min |
| Thursday | 71% | 18 min |
| Friday | 80% | 10 min |
| Saturday | 83% | 9 min |
| Sunday | 73% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft74%
- Airline operations15%
- National airspace system5%
- Weather6%
Frequently asked questions
- How often are flights from BOS to ROC delayed?
- 21% of BOS–ROC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 14 minutes.
- Which airline is most reliable from BOS to ROC?
- Envoy Air has the best on-time record on this route at 95%, based on 83 flights. 2 airlines flew BOS–ROC frequently enough to compare in this period.
- What is the best time of day to fly from BOS to ROC?
- Departures around 9 a.m. have the best record (93% on-time), while departures around 9 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to ROC?
- The scheduled BOS–ROC flight time averages 1h 35m over 343 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are BOS to ROC flights cancelled?
- 3.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What day of the week is most reliable for BOS to ROC?
- Monday flights have the best record at 91% on-time. Day-of-week differences on this route are meaningful — Thursday trails at 71%.
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Based on 385 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.