Boston (BOS) to Cincinnati (CVG): On-Time Performance
Data through May 2026
Boston (BOS) to Cincinnati (CVG) effectively runs on two schedules. In October 2024, 91% of arrivals were on time; in July 2024 that fell to 69% — a 22-point seasonal swing. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 71%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 5.2
- last 12 months
- Duration
- 2h 33m
- scheduled
- Distance
- 752 mi
Best airline from BOS to CVG
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Frontier Airlinesmost reliable | 87% | 8 min | 0.9% | 114 |
| Republic Airways | 83% | 11 min | 2.2% | 2,874 |
| Envoy Air | 70% | 24 min | 1.7% | 747 |
Monthly on-time trend
Best time to fly from BOS to CVG
Aim for departures around 6 a.m. (95% on-time); avoid 9 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 77% | 15 min |
| Tuesday | 83% | 10 min |
| Wednesdaybest | 85% | 9 min |
| Thursday | 79% | 14 min |
| Friday | 79% | 16 min |
| Saturday | 82% | 12 min |
| Sunday | 78% | 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 aircraft51%
- Airline operations29%
- National airspace system18%
- Weather2%
Frequently asked questions
- How often are flights from BOS to CVG delayed?
- 20% of BOS–CVG flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from BOS to CVG?
- Frontier Airlines has the best on-time record on this route at 87%, based on 114 flights. 3 airlines flew BOS–CVG frequently enough to compare in this period.
- What is the best time of day to fly from BOS to CVG?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 9 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BOS to CVG?
- The scheduled BOS–CVG flight time averages 2h 33m over 752 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are BOS to CVG flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from BOS to CVG?
- July 2024 was the roughest month in this dataset, with only 69% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 3,754 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.