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Route Reliability

Cincinnati → Raleigh–Durham

CVG–RDU · 390 miles · Cincinnati/Northern Kentucky International Airport to Raleigh–Durham International Airport

81
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
7 min
Average arrival delay
1.0%
Cancelled
308
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 79% of the time across 308 flights. No comparison to make.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 81% of the time, against 77% between 3–6 PM.

Sunday scaries are real for this one.

CVG–RDU flights arrived on time 86% of the time on Saturdays and just 62% on Sundays. That gap is worth planning around.

Ticking up lately.

CVG–RDU flights arrived on time 81% of the time over the last three months in the data, compared with 78% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(48 flights)
  • Tue84%(50 flights)
  • Wed84%(50 flights)
  • Thu80%(49 flights)
  • Fri85%(48 flights)
  • Sat86%(14 flights)
  • Sun62%(45 flights)
On-time by departure window
  • 12–3 PM81%(121 flights)
  • 3–6 PM77%(183 flights)
On-time trend by month
77%
May

Jun 65% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%26
July 202550%26
August 202583%24
September 202596%26
October 202589%27
November 202579%24
December 202577%17
January 202686%21
February 202673%22
March 202677%30
April 202690%30
May 202677%31

Keep nerding

Based on 308 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.