Cincinnati (CVG) to Boston (BOS): On-Time Performance
Data through July 2026
Cincinnati (CVG) to Boston (BOS) effectively runs on two schedules. In April 2025, 93% of arrivals were on time; in October 2025 that fell to 62% — a 31-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 69%), which matters most in the rough months.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 5.5
- last 12 months
- Duration
- 2h 15m
- scheduled
- Distance
- 752 mi
Best airline from CVG to BOS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Envoy Airmost reliable | 91% | 7 min | 0.9% | 779 |
| Frontier Airlines | 90% | 6 min | 1.0% | 97 |
| Republic Airways | 78% | 16 min | 2.5% | 3,042 |
Monthly on-time trend
Best time to fly from CVG to BOS
Aim for departures around 7 a.m. (92% on-time); avoid 3 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 16 min |
| Tuesday | 80% | 13 min |
| Wednesday | 82% | 11 min |
| Thursday | 76% | 18 min |
| Friday | 79% | 15 min |
| Saturdaybest | 88% | 7 min |
| Sunday | 83% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft17%
- Airline operations25%
- National airspace system54%
- Weather4%
Frequently asked questions
- How often are flights from CVG to BOS delayed?
- 19% of CVG–BOS 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 CVG to BOS?
- Envoy Air has the best on-time record on this route at 91%, based on 779 flights. 3 airlines flew CVG–BOS frequently enough to compare in this period.
- What is the best time of day to fly from CVG to BOS?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 3 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CVG to BOS?
- The scheduled CVG–BOS flight time averages 2h 15m over 752 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are CVG to BOS flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from CVG to BOS?
- October 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was April 2025 at 93%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 3,942 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.