Which airline is most reliable for SLC (Salt Lake City) to AUS (Austin)?

The most reliable airline on the SLC to AUS route is Southwest Airlines, with an on-time arrival rate of 81%.

How often are flights delayed from SLC to AUS?

About 22% of flights from SLC to AUS experience delays. 78% arrive on time.

What's the average delay on SLC to AUS flights?

When flights from SLC to AUS are delayed, the average delay is approximately 61 minutes.

Is a short connection safe after a SLC to AUS flight?

With 78% of SLC to AUS flights arriving on time and an average delay of 61 minutes when late, a connection under 60 minutes at AUS is risky. We recommend at least 75-90 minutes for domestic connections after this route.

SLC → AUS

SLC (Salt Lake City) to AUS (Austin)

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 May 2026.

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 time

Expect ~17 min sitting on the taxiway after your gate pushes back. SLC has long runway queues.

TSA is currently ~7 min. Best time: 4 AM (about 5 min).

More about SLC →

Arriving at AUS

79% on time

When flights into AUS are late, the average delay is 66 minutes. Build buffer if you have ground plans.

If connecting at AUS: TSA is ~19 min right now. Allow at least 60 minutes for a domestic connection.

More about AUS →Connection times at AUS →

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SLC Airport AUS Airport

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Data last updated May 2026. Source: Bureau of Transportation Statistics.