AUS (Austin) to LAS (Las Vegas) flights arrive on time 77% of the time. The most reliable airline on this route is Spirit Airlines at 81%. The average delay is 65 minutes. Delays on this route are most often caused by the incoming plane arriving late.
Source: Bureau of Transportation Statistics. Updated April 2026.AUS → LAS
AUS (Austin) to LAS (Las Vegas)
AUS → LAS on-time performance by month
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This route is on time most of the time. About 77% of flights arrive on schedule.
Delays on this route are most often caused by the incoming plane arriving late.
Accurate?
Spirit Airlines is significantly more reliable on this route at 81% on time vs Frontier Airlines at 66%.
Airline Comparison
Spirit Airlines leads at 81% on time; Frontier Airlines trails at 66%.
Accurate?
Good to know
Departing from AUS
79% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. AUS has long runway queues.
TSA is currently ~17 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 ~16 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated April 2026. Source: Bureau of Transportation Statistics.