Historical on-time performance
Cincinnati to Miami
948 miData through Dec 2025Source: US DOT · BTS
Flights on CVG–MIA arrive on time 77% of the time over the last 12 months.
On-time rate77%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 877 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Envoy AirOn-time76%Medianon timep9040 minCancel1.1%Flights831
- Frontier AirlinesOn-time83%Medianon timep9055 minCancel4.3%Flights46
Why flights run late
Delay causes
- Airline35%
- Weather10%
- Air traffic (NAS)19%
- Late aircraft36%
- Security1%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CVG → MIA
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 65% to 85% on time.
- Mornings85% on time · p90 20 min · 1,713 flights
- Overnights78% on time · p90 70 min · 63 flights · limited
- Middays72% on time · p90 60 min · 251 flights
- Afternoons65% on time · p90 60 min · 52 flights · limited
- Evenings65% on time · p90 75 min · 1,205 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 83% on time.
- Tuesdays83% on time · p90 20 min · 433 flights
- Wednesdays79% on time · p90 35 min · 419 flights
- Mondays77% on time · p90 55 min · 474 flights
- Fridays76% on time · p90 50 min · 486 flights
- Thursdays75% on time · p90 50 min · 481 flights
- Saturdays75% on time · p90 50 min · 480 flights
- Sundays69% on time · p90 75 min · 511 flights
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