MIA to CVG flight delays & on-time performance
Nonstop flights from Miami International Airport to Cincinnati Northern Kentucky International Airport · 948 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MIA or CVG right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Miami (MIA) to Cincinnati (CVG) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.9% were cancelled, and 6% arrived an hour or more late.
- Envoy Air was the most punctual airline here (80% on time); Frontier Airlines was the least (68%).
- Departures scheduled around 8am did best (95% on time); around 4pm did worst (70%).
- Tuesday was the most reliable day to fly (89% on time) and Saturday the least (69%).
- The largest source of delay minutes was late-arriving aircraft (53%).
Which airline is most on time from MIA 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 | 100% | 0.0% | 0 min | 0.0% | 1 |
| Envoy AirRegional airline operating American Eagle flights. | 80% | 0.6% | 10 min | 4.0% | 788 |
| American Airlines | 79% | 1.3% | 23 min | 13.3% | 76 |
| Frontier Airlines | 68% | 2.7% | 29 min | 15.5% | 113 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 60% | 0.0% | 27 min | 20.0% | 5 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am95%78 flights
- 9am89%18 flights
- 1pm58%12 flights
- 2pm79%77 flights
- 3pm71%17 flights
- 4pm70%187 flights
- 6pm83%37 flights
- 7pm81%329 flights
- 8pm74%48 flights
- 9pm77%98 flights
- 10pm80%46 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%1.3% cancelled
- Tuesday89%0.0% cancelled
- Wednesday85%0.8% cancelled
- Thursday78%0.0% cancelled
- Friday82%0.6% cancelled
- Saturday69%1.4% cancelled
- Sunday71%2.1% 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 aircraft53%
- Air traffic control & airport congestion24%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
MIA to CVG: common questions
- How often are MIA to CVG flights on time?
- 79% 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 Miami to Cincinnati cancelled?
- 0.9% of scheduled flights were cancelled (9 of 983).
- 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 56 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at MIA?
- Flights on this route spent 23 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CVG to MIA — 81% on time
More flights from Miami
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MIA → CVG, nonstop flights by US airlines that report to the DOT. How we calculate this.