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Route · RDU → CVG · 2020–2025 BTS data

Raleigh/Durham to Cincinnati

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), RDU to CVG (Raleigh/Durham to Cincinnati) ranks #4331 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

89.7%
On-time
+10.7 pts
vs US avg
76 min
Delay when late
1,222
Flights
#4331 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Oct 2024 100%

Worst Month

Jul 2024 79%

Distance

390 mi

Carriers

11

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Nov 2024 33 3 0 0 OO,YX
Oct 2024 62 0 0 0 OO,YX
Sep 2024 60 5 0 0 YX,OO,F9
Aug 2024 72 9 1 0 F9,YX,OO
Jul 2024 66 14 1 0 F9,OO,YX
Jun 2024 67 10 1 0 9E,F9,YX
May 2024 71 8 0 0 9E,F9,YX
Apr 2024 65 4 0 0 9E,F9,YX
Mar 2024 57 0 0 1 9E,YX
Feb 2024 50 5 0 0 9E,YX
Jan 2024 51 9 0 0 9E,YX
Dec 2023 62 5 0 0 YX,9E
Nov 2023 60 6 0 0 9E,F9,MQ,YX
Oct 2023 70 6 1 0 9E,F9,MQ
Sep 2023 58 3 0 2 9E,F9,MQ
Aug 2023 45 7 2 0 F9,MQ
Jul 2023 44 8 1 0 F9,MQ
Jun 2023 42 6 2 0 F9,MQ
May 2023 39 4 0 0 F9,MQ
Mar 2020 54 4 3 0 9E
Feb 2020 46 6 0 0 9E
Jan 2020 48 4 0 0 9E

RDU–CVG seasonal on-time pattern

Best: March (96.4%) · weakest: July (80.0%)

75%80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 91.9%

Strongest calendar month

March

96.4% on-time · ~56 flights/mo

Busiest calendar month

October

~66 flights/mo avg

Weakest calendar month

July

80.0% on-time · ~55 flights/mo

Cancellation Rate

1.0%

12 of 1,222 flights

Diversion Rate

0.2%

3 of 1,222 flights

Explore origin & destination

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

RDU - Raleigh/Durham

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

RDU on-time profile

CVG - Cincinnati

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

CVG on-time profile

Compare the two airports

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

Compare RDU vs CVG

Origin-hub reliability standing

Among RDU's stronger departures

RDU → CVG posts a 89.7% on-time rate, landing in the ≥85% band with 9 of 35 BTS-tracked routes leaving Raleigh/Durham. The same hub also shows 25 mid-band and 1 challenged departures · fleet-wide on-time rank #169 of 4927 (highest on-time = #1).

What the Data Says About RDU to CVG

Raleigh/Durham to Cincinnati (RDU to CVG) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89.7% on-time rate across 1,222 flights, with delays that do happen averaging 76.4 minutes. The corridor runs roughly 390 miles and is served by 11 carriers. Over the most recent 24 months, 12 of 1,222 flights were cancelled (1.0%) and 3 diverted (0.2%).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 100% on-time, while Jul 2024 came in at just 79% - a 21-point swing worth factoring into travel timing.

On the multi-year calendar, RDU–CVG peaks in March at 96.4% on-time while October carries the heaviest traffic (~66 flights per month) ; the softest month is July at 80.0%, a 16.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does RDU to CVG rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, RDU to CVG ranks #4331 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 RDU to CVG? ▼
Flights from Raleigh/Durham to Cincinnati have a 89.7% on-time rate based on 1,222 flights. The average delay is 76.4 minutes. The best recent month was Oct 2024 with 100% on-time.
What is the cancellation rate for RDU to CVG? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (12 of 1,222 flights) and 0.2% were diverted.
How far is the flight from RDU to CVG? ▼
The flight distance from Raleigh/Durham (RDU) to Cincinnati (CVG) is approximately 390 miles. This route is served by 11 carriers.
When is the best time to fly from RDU to CVG? ▼
The best recent month for on-time performance was Oct 2024 (100% on-time). The worst was Jul 2024 (79% on-time). Consider booking during months with historically better performance.

Airports on this route

RDU Airport

Raleigh/Durham
CVG Airport

Cincinnati
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 RDU–CVG data

RDU–CVG runs 10.7 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare RDU and CVG airport profiles: delay causes and top routes differ even on the same corridor. RDU airport
  • If your dates flex, March (96.4% on-time) beats July (80.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 89.7% 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.