LAS (Las Vegas) to MEM (Memphis) flights arrive on time 87% of the time. The most reliable airline on this route is Allegiant Air at 100%. The average delay is 64 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.LAS → MEM
LAS (Las Vegas) to MEM (Memphis)
LAS → MEM on-time performance by month
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This route is usually on time. About 87% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Allegiant Air is significantly more reliable on this route at 100% on time vs Southwest Airlines at 83%.
Airline Comparison
Allegiant Air leads at 100% on time; Southwest Airlines trails at 83%.
Accurate?
Good to know
Departing from LAS
77% 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 MEM
80% on timeWhen flights into MEM are late, the average delay is 71 minutes. Build buffer if you have ground plans.
If connecting at MEM: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.