RDU (Raleigh) to CVG (Cincinnati) flights arrive on time 88% of the time. The most reliable airline on this route is Endeavor Air at 100%. The average delay is 53 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.RDU → CVG
RDU (Raleigh) to CVG (Cincinnati)
RDU → CVG on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 88% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Endeavor Air is significantly more reliable on this route at 100% on time vs Frontier Airlines at 66%.
Airline Comparison
Endeavor Air leads at 100% on time; Frontier Airlines trails at 66%.
Accurate?
Good to know
Departing from RDU
79% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. RDU has long runway queues.
TSA is currently ~28 min. Best time: 4 AM (about 5 min).
Arriving at CVG
79% on timeWhen flights into CVG are late, the average delay is 76 minutes. Build buffer if you have ground plans.
If connecting at CVG: TSA is ~22 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Endeavor Air owes you — refund rights, action plan, complaint email. Free.
Flying out of RDU? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated August 2026. Source: Bureau of Transportation Statistics.