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 March 2026.CVG → LAS
CVG (Cincinnati) to LAS (Las Vegas)
CVG → LAS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
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 ~5 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 ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Allegiant Air owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying CVG → LAS? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.