CVG (Cincinnati) to LAS (Las Vegas) flights arrive on time 80% of the time. The most reliable airline on this route is Allegiant Air at 89%. The average delay is 87 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated May 2026.CVG → LAS
CVG (Cincinnati) to LAS (Las Vegas)
CVG → LAS on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is on time most of the time. About 80% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Allegiant Air edges out Frontier Airlines on this route — 89% vs 75% on time.
Airline Comparison
Allegiant Air leads at 89% on time; Frontier Airlines trails at 75%.
Accurate?
Good to know
Departing from CVG
81% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. CVG has long runway queues.
TSA is currently ~13 min. Best time: 4 AM (about 5 min).
Arriving at LAS
77% on timeWhen flights into LAS are late, the average delay is 62 minutes. Build buffer if you have ground plans.
If connecting at LAS: TSA is ~15 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated May 2026. Source: Bureau of Transportation Statistics.