Historical on-time performance
Miami to Cincinnati
948 miData through Dec 2025Source: US DOT · BTS
Flights on MIA–CVG arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 878 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 minCancel1.2%Flights832
- Frontier AirlinesOn-time76%Medianon timep90100 minCancel4.3%Flights46
Why flights run late
Delay causes
- Airline17%
- Weather18%
- Air traffic (NAS)29%
- Late aircraft36%
- Security0%
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 MIA → CVG
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 73% to 83% on time.
- Mornings83% on time · p90 45 min · 153 flights · limited
- Middays78% on time · p90 30 min · 226 flights
- Overnights77% on time · p90 45 min · 747 flights
- Evenings73% on time · p90 45 min · 911 flights
- Afternoons73% on time · p90 60 min · 1,246 flights
Best day of week
Tuesdays are the most reliable day to fly this route — 83% on time.
- Tuesdays83% on time · p90 25 min · 433 flights
- Wednesdays77% on time · p90 40 min · 419 flights
- Fridays76% on time · p90 45 min · 487 flights
- Mondays74% on time · p90 60 min · 474 flights
- Thursdays74% on time · p90 55 min · 482 flights
- Saturdays73% on time · p90 45 min · 479 flights
- Sundays67% on time · p90 85 min · 509 flights
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