CVG to MIA flight delays & on-time performance
Nonstop flights from Cincinnati Northern Kentucky International Airport to Miami International Airport · 948 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CVG or MIA 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 Miami (MIA) arrived on time 81% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 6% arrived an hour or more late.
- Envoy Air was the most punctual airline here (83% on time); Frontier Airlines was the least (72%).
- Departures scheduled around 7am did best (93% on time); around 6pm did worst (72%).
- Wednesday was the most reliable day to fly (85% on time) and Sunday the least (77%).
- The largest source of delay minutes was late-arriving aircraft (40%).
Which airline is most on time from CVG to MIA?
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. | 83% | 0.6% | 10 min | 4.1% | 779 |
| American Airlines | 75% | 1.3% | 35 min | 15.1% | 76 |
| Frontier Airlines | 72% | 1.8% | 23 min | 14.7% | 112 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 60% | 0.0% | 19 min | 13.3% | 15 |
| Delta Air Lines | 0% | 0.0% | 37 min | 0.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am89%46 flights
- 6am90%336 flights
- 7am93%60 flights
- 8am80%136 flights
- 1pm77%15 flights
- 5pm48%21 flights
- 6pm72%181 flights
- 7pm76%144 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%2.6% cancelled
- Tuesday84%0.8% cancelled
- Wednesday85%0.0% cancelled
- Thursday80%0.0% cancelled
- Friday80%0.0% cancelled
- Saturday79%0.0% cancelled
- Sunday77%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 aircraft40%
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion19%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
CVG to MIA: common questions
- How often are CVG to MIA flights on time?
- 81% 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 Miami cancelled?
- 0.8% of scheduled flights were cancelled (8 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 64 min behind schedule on average, and 6.3% 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: MIA to CVG — 79% 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 → MIA, nonstop flights by US airlines that report to the DOT. How we calculate this.