LAS (Las Vegas) to MIA (Miami) flights arrive on time 81% of the time. The most reliable airline on this route is Spirit Airlines at 81%. The average delay is 90 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated August 2026.LAS → MIA
LAS (Las Vegas) to MIA (Miami)
LAS → MIA on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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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?
Spirit Airlines edges out Frontier Airlines on this route — 81% vs 69% on time.
Airline Comparison
Spirit Airlines leads at 81% on time; Frontier Airlines trails at 69%.
Accurate?
Good to know
Departing from LAS
80% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. LAS has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at MIA
76% on timeWhen flights into MIA are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at MIA: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Spirit Airlines owes you — refund rights, action plan, complaint email. Free.
Flying out of LAS? 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.