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Route · CVG → RDU · 2020–2025 BTS data

Cincinnati to Raleigh/Durham

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CVG to RDU (Cincinnati to Raleigh/Durham) ranks #4328 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.4%
On-time
+2.4 pts
vs US avg
78 min
Delay when late
1,223
Flights
#4328 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Mar 2020 98%

Worst Month

Aug 2024 75%

Distance

390 mi

Carriers

12

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Nov 2024 33 5 0 0 OO,YX
Oct 2024 62 7 0 0 OO,YX,9E
Sep 2024 60 9 0 0 YX,OO,9E,F9
Aug 2024 72 18 3 0 F9,YX,OO
Jul 2024 67 16 1 0 F9,OO,YX
Jun 2024 66 13 1 0 9E,F9,YX
May 2024 71 14 0 0 9E,F9,YX
Apr 2024 65 9 0 0 9E,F9,YX
Mar 2024 57 5 0 0 9E,YX
Feb 2024 50 9 0 0 9E,YX
Jan 2024 51 10 3 0 9E,YX
Dec 2023 61 7 0 0 YX,9E
Nov 2023 61 9 0 0 9E,F9,MQ,YX
Oct 2023 70 14 0 0 9E,F9,MQ
Sep 2023 59 13 0 0 9E,F9,MQ,YX
Aug 2023 45 14 2 0 F9,MQ
Jul 2023 44 23 1 0 F9,MQ
Jun 2023 42 16 2 0 F9,MQ
May 2023 39 10 0 0 F9,MQ
Mar 2020 54 1 2 0 9E
Feb 2020 46 1 0 0 9E
Jan 2020 48 4 0 0 9E

CVG–RDU seasonal on-time pattern

Best: March (94.6%) · weakest: July (64.9%)

60%70%80%90%100% JanFebMarAprMayJunJulAugSepOctNovDec 88.5%

Strongest calendar month

March

94.6% on-time · ~56 flights/mo

Busiest calendar month

October

~66 flights/mo avg

Weakest calendar month

July

64.9% on-time · ~56 flights/mo

Cancellation Rate

1.2%

15 of 1,223 flights

Diversion Rate

0.0%

0 of 1,223 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

CVG - Cincinnati

Full on-time, delay-cause, and seasonal performance for Cincinnati, OH.

CVG on-time profile

RDU - Raleigh/Durham

Full on-time, delay-cause, and seasonal performance for Raleigh/Durham, NC.

RDU on-time profile

Compare the two airports

See CVG and RDU side by side on delays, cancellations, and reliability.

Compare CVG vs RDU

Origin-hub reliability standing

Mid-pack among CVG departures

From CVG, this corridor sits with 21 other 75–85% on-time routes out of 34 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 4 below 75%). Destination: Raleigh/Durham · fleet on-time rank #2573 of 4927.

What the Data Says About CVG to RDU

1,223 tracked flights put the CVG to RDU pairing (Cincinnati to Raleigh/Durham) at a 81.4% on-time rate, squarely in line with the wider network. Delays that do occur run 78.3 minutes on average. Across the 390-mile route and its 12 carriers, the trailing 24 months show 1.2% cancelled and 0.0% diverted (1,223 flights sampled).

The monthly split is wide on this route: Mar 2020 posted the strongest performance at 98% on-time, while Aug 2024 came in at just 75% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, CVG–RDU peaks in March at 94.6% on-time while October carries the heaviest traffic (~66 flights per month) ; the softest month is July at 64.9%, a 29.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does CVG to RDU rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, CVG to RDU ranks #4328 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from CVG to RDU? ▼
Flights from Cincinnati to Raleigh/Durham have a 81.4% on-time rate based on 1,223 flights. The average delay is 78.3 minutes. The best recent month was Mar 2020 with 98% on-time.
What is the cancellation rate for CVG to RDU? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (15 of 1,223 flights) and 0.0% were diverted.
How far is the flight from CVG to RDU? ▼
The flight distance from Cincinnati (CVG) to Raleigh/Durham (RDU) is approximately 390 miles. This route is served by 12 carriers.
When is the best time to fly from CVG to RDU? ▼
The best recent month for on-time performance was Mar 2020 (98% on-time). The worst was Aug 2024 (75% on-time). Consider booking during months with historically better performance.

Airports on this route

CVG Airport

Cincinnati
RDU Airport

Raleigh/Durham
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using CVG–RDU data

CVG–RDU is mid-pack at 81.4% on-time; month and carrier mix move more than the corridor headline.

  • Compare CVG and RDU airport profiles: delay causes and top routes differ even on the same corridor. CVG airport
  • If your dates flex, March (94.6% on-time) beats July (64.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.4% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.