Which airline is most reliable for AUS (Austin) to RDU (Raleigh)?

The most reliable airline on the AUS to RDU route is Southwest Airlines, with an on-time arrival rate of 79%.

How often are flights delayed from AUS to RDU?

About 24% of flights from AUS to RDU experience delays. 76% arrive on time.

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

When flights from AUS to RDU are delayed, the average delay is approximately 69 minutes.

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

With 76% of AUS to RDU flights arriving on time and an average delay of 69 minutes when late, a connection under 60 minutes at RDU is risky. We recommend at least 75-90 minutes for domestic connections after this route.

AUS → RDU

AUS (Austin) to RDU (Raleigh)

AUS (Austin) to RDU (Raleigh) flights arrive on time 76% of the time. The most reliable airline on this route is Southwest Airlines at 79%. The average delay is 69 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated August 2026.

AUS → RDU on-time performance by month

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Worse

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This route is on time most of the time. About 76% 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 79% vs SkyWest Airlines at 76%.

Airline Comparison

Southwest Airlines leads at 79% on time; SkyWest Airlines trails at 76%.

Accurate?

Good to know

Departing from AUS

79% on time

Expect ~16 min sitting on the taxiway after your gate pushes back. AUS has long runway queues.

TSA is currently ~16 min. Best time: 4 AM (about 5 min).

More about AUS →

Arriving at RDU

79% on time

When flights into RDU are late, the average delay is 73 minutes. Build buffer if you have ground plans.

If connecting at RDU: TSA is ~12 min right now. Allow at least 60 minutes for a domestic connection.

More about RDU →Connection times at RDU →

Flight cancelled or delayed?

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Flying out of AUS? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

AUS Airport RDU Airport

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