CVG to BOS flight delays & on-time performance
Nonstop flights from Cincinnati Northern Kentucky International Airport to Boston Logan International Airport · 752 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CVG or BOS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Cincinnati (CVG) to Boston (BOS) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.2% were cancelled, and 9% arrived an hour or more late.
- Envoy Air was the most punctual airline here (93% on time); Republic Airways was the least (78%).
- Departures scheduled around 7am did best (92% on time); around 5pm did worst (62%).
- Saturday was the most reliable day to fly (89% on time) and Thursday the least (76%).
- The largest source of delay minutes was air traffic control & airport congestion (56%).
Which airline is most on time from CVG to BOS?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 93% | 0.8% | 7 min | 2.8% | 365 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 78% | 3.7% | 15 min | 10.0% | 1,610 |
| Delta Air Lines | 58% | 0.0% | 25 min | 20.8% | 24 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am92%184 flights
- 7am92%517 flights
- 11am82%241 flights
- 12pm86%74 flights
- 1pm83%49 flights
- 2pm69%323 flights
- 3pm59%37 flights
- 4pm75%32 flights
- 5pm62%247 flights
- 6pm76%52 flights
- 7pm89%29 flights
- 8pm80%139 flights
- 9pm75%50 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%6.9% cancelled
- Tuesday77%5.2% cancelled
- Wednesday81%1.0% cancelled
- Thursday76%2.6% cancelled
- Friday82%0.3% cancelled
- Saturday89%2.4% cancelled
- Sunday83%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.
- Air traffic control & airport congestion56%
- Late-arriving aircraft21%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion44%
- Extreme weather33%
- Airline (crew, maintenance, cleaning, fueling)22%
- Security0%
CVG to BOS: common questions
- How often are CVG to BOS 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 Cincinnati to Boston cancelled?
- 3.2% of scheduled flights were cancelled (63 of 1,999).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 68 min behind schedule on average, and 8.8% of flights were an hour or more late.
- How long is taxi time at CVG?
- Flights on this route spent 17 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BOS to CVG — 80% on time
More flights from Cincinnati
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CVG → BOS, nonstop flights by US airlines that report to the DOT. How we calculate this.