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Route Reliability

Cincinnati → Miami

CVG–MIA · 948 miles · Cincinnati/Northern Kentucky International Airport to Miami International Airport

82
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
9 min
Average arrival delay
0.8%
Cancelled
1,012
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.American Airlines80%869 flights
  2. 2.Frontier Airlines73%142 flights

Not enough history to rank: Delta Air Lines (1 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

CVG–MIA flights departing between 3–6 AM arrived on time 89% of the time, versus 51% between 3–6 PM.

Sunday scaries are real for this one.

CVG–MIA flights arrived on time 83% of the time on Wednesdays. On Sundays: 71%.

American Airlines runs this route best.

American Airlines arrived on time 80% of the time on this route; Frontier Airlines managed 73%.

Trending in the right direction.

CVG–MIA flights arrived on time 87% of the time over the last three months in the data, compared with 75% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon80%(159 flights)
  • Tue82%(122 flights)
  • Wed83%(124 flights)
  • Thu80%(147 flights)
  • Fri81%(153 flights)
  • Sat78%(143 flights)
  • Sun71%(152 flights)
On-time by departure window
  • 3–6 AM89%(45 flights)
  • 6–9 AM87%(528 flights)
  • 9 AM–12 PM75%(24 flights)
  • 12–3 PM80%(25 flights)
  • 3–6 PM51%(43 flights)
  • 6–9 PM70%(331 flights)
  • 9 PM–12 AM—(4 flights)
On-time trend by month
90%
May

Jun 61% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%74
July 202570%77
August 202581%73
September 202573%59
October 202585%68
November 202592%85
December 202568%107
January 202683%105
February 202674%82
March 202682%117
April 202689%80
May 202690%73

Same trip, other airports

Keep nerding

Based on 1,012 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.