BOS to CVG flight delays & on-time performance
Nonstop flights from Boston Logan International Airport to Cincinnati Northern Kentucky International Airport · 752 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BOS or CVG right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Boston (BOS) to Cincinnati (CVG) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3% were cancelled, and 7% arrived an hour or more late.
- Republic Airways was the most punctual airline here (82% on time); Envoy Air was the least (71%).
- Departures scheduled around 6am did best (89% on time); around 7pm did worst (73%).
- Wednesday was the most reliable day to fly (84% on time) and Sunday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (51%).
Which airline is most on time from BOS to CVG?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 92% | 0.0% | 5 min | 4.0% | 25 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 82% | 3.2% | 10 min | 5.8% | 1,610 |
| Envoy AirRegional airline operating American Eagle flights. | 71% | 1.9% | 25 min | 14.3% | 365 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am89%80 flights
- 8am88%347 flights
- 10am83%35 flights
- 11am87%318 flights
- 12pm81%37 flights
- 1pm90%50 flights
- 2pm83%264 flights
- 3pm67%44 flights
- 4pm75%101 flights
- 5pm74%139 flights
- 6pm73%228 flights
- 7pm73%172 flights
- 8pm74%108 flights
- 9pm50%42 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%5.2% cancelled
- Tuesday83%5.5% cancelled
- Wednesday84%2.0% cancelled
- Thursday80%2.3% cancelled
- Friday83%0.3% cancelled
- Saturday81%1.5% cancelled
- Sunday76%3.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion19%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion42%
- Extreme weather36%
- Airline (crew, maintenance, cleaning, fueling)22%
- Security0%
BOS to CVG: common questions
- How often are BOS to CVG flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Boston to Cincinnati cancelled?
- 3.0% of scheduled flights were cancelled (59 of 2,000).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 63 min behind schedule on average, and 7.4% of flights were an hour or more late.
- How long is taxi time at BOS?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CVG to BOS — 80% on time
More flights from Boston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BOS → CVG, nonstop flights by US airlines that report to the DOT. How we calculate this.