Which airline is most reliable for CVG (Cincinnati) to RDU (Raleigh)?

The most reliable airline on the CVG to RDU route is Frontier Airlines, with an on-time arrival rate of 97%.

How often are flights delayed from CVG to RDU?

About 19% of flights from CVG to RDU experience delays. 81% arrive on time.

What's the average delay on CVG to RDU flights?

When flights from CVG to RDU are delayed, the average delay is approximately 81 minutes.

Is a short connection safe after a CVG to RDU flight?

With 81% of CVG to RDU flights arriving on time and an average delay of 81 minutes when late, a connection under 60 minutes at RDU is risky. We recommend at least 75-90 minutes for domestic connections after this route.

CVG → RDU

CVG (Cincinnati) to RDU (Raleigh)

CVG (Cincinnati) to RDU (Raleigh) flights arrive on time 81% of the time. The most reliable airline on this route is Frontier Airlines at 97%. The average delay is 81 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

CVG → RDU on-time performance by month

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This route is on time most of the time. About 81% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Frontier Airlines is significantly more reliable on this route at 97% on time vs Endeavor Air at 67%.

Airline Comparison

Frontier Airlines leads at 97% on time; Endeavor Air trails at 67%.

Accurate?

Good to know

Departing from CVG

79% on time

Expect ~18 min sitting on the taxiway after your gate pushes back. CVG has long runway queues.

TSA is currently ~10 min. Best time: 4 AM (about 5 min).

More about CVG →

Arriving at RDU

79% on time

When flights into RDU are late, the average delay is 73 minutes. Build buffer if you have ground plans.

If connecting at RDU: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.

More about RDU →Connection times at RDU →

Flight cancelled or delayed?

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CVG Airport RDU Airport

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Data last updated August 2026. Source: Bureau of Transportation Statistics.