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Route Reliability

Cincinnati → Las Vegas

CVG–LAS · 1,678 miles · Cincinnati/Northern Kentucky International Airport to Harry Reid International Airport

84
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
7 min
Average arrival delay
1.5%
Cancelled
673
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Delta Air Lines83%356 flights
  2. 2.Frontier Airlines83%211 flights
  3. 3.Allegiant Air75%106 flights

What the data says

Morning-you made the right choice.

CVG–LAS flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 67% between 9 PM–12 AM.

Skip Monday if you can.

CVG–LAS flights arrived on time 87% of the time on Wednesdays. On Mondays: 76%.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 83% of the time on this route; Allegiant Air managed 75%.

Trending in the right direction.

CVG–LAS flights arrived on time 84% of the time over the last three months in the data, compared with 73% 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
  • Mon76%(94 flights)
  • Tue79%(53 flights)
  • Wed87%(53 flights)
  • Thu82%(148 flights)
  • Fri84%(100 flights)
  • Sat78%(60 flights)
  • Sun84%(154 flights)
On-time by departure window
  • 6–9 AM84%(401 flights)
  • 9 AM–12 PM93%(15 flights)
  • 12–3 PM79%(63 flights)
  • 3–6 PM88%(60 flights)
  • 6–9 PM77%(60 flights)
  • 9 PM–12 AM67%(63 flights)
On-time trend by month
83%
May

Jun 74% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%57
July 202578%54
August 202586%58
September 202593%55
October 202585%58
November 202595%55
December 202565%52
January 202676%49
February 202677%52
March 202686%63
April 202685%52
May 202683%57

Keep nerding

Based on 673 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.