AUS (Austin) to TYS (Knoxville) flights arrive on time 64% of the time. The most reliable airline on this route is Allegiant Air at 66%. The average delay is 40 minutes. Delays on this route are most often caused by air traffic and busy airspace.
Source: Bureau of Transportation Statistics. Updated March 2026.AUS → TYS
AUS (Austin) to TYS (Knoxville)
AUS → TYS on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
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This route is frequently delayed. About 64% of flights arrive on schedule.
Delays on this route are most often caused by air traffic and busy airspace.
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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 ~5 min. Best time: 4 AM (about 5 min).
Arriving at TYS
80% on timeWhen flights into TYS are late, the average delay is 77 minutes. Build buffer if you have ground plans.
If connecting at TYS: 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.