SLC (Salt Lake City) to AUS (Austin) flights arrive on time 78% of the time. The most reliable airline on this route is Southwest Airlines at 81%. The average delay is 61 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SLC → AUS
SLC (Salt Lake City) to AUS (Austin)
SLC → AUS on-time performance by month
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This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Airlines are roughly equal on this route — Southwest Airlines leads slightly at 81% vs Delta Air Lines at 77%.
Airline Comparison
Southwest Airlines leads at 81% on time; Delta Air Lines trails at 77%.
Accurate?
Good to know
Departing from SLC
85% on timeExpect ~17 min sitting on the taxiway after your gate pushes back. SLC has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at AUS
79% on timeWhen flights into AUS are late, the average delay is 66 minutes. Build buffer if you have ground plans.
If connecting at AUS: 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.