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Route Reliability

Denver → Cincinnati

DEN–CVG · 1,069 miles · Denver International Airport to Cincinnati/Northern Kentucky International Airport

81
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
0.9%
Cancelled
1,529
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines82%728 flights
  2. 2.Frontier Airlines75%410 flights
  3. 3.Southwest Airlines71%364 flights

Not enough history to rank: Allegiant Air (27 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

DEN–CVG flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 60% between 9 PM–12 AM.

Sunday scaries are real for this one.

DEN–CVG flights arrived on time 82% of the time on Saturdays. On Sundays: 73%.

United Airlines runs this route best.

United Airlines arrived on time 82% of the time on this route; Southwest Airlines managed 71%.

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
  • Mon77%(233 flights)
  • Tue77%(192 flights)
  • Wed82%(191 flights)
  • Thu75%(229 flights)
  • Fri77%(236 flights)
  • Sat82%(197 flights)
  • Sun73%(235 flights)
On-time by departure window
  • 6–9 AM81%(85 flights)
  • 9 AM–12 PM91%(547 flights)
  • 12–3 PM74%(135 flights)
  • 3–6 PM70%(495 flights)
  • 6–9 PM62%(236 flights)
  • 9 PM–12 AM60%(15 flights)
On-time trend by month
87%
May

Jun 61% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202561%135
July 202562%146
August 202568%133
September 202575%133
October 202585%139
November 202590%128
December 202575%122
January 202683%110
February 202694%100
March 202671%126
April 202688%115
May 202687%126

Keep nerding

Based on 1,529 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.