Which airline is most reliable for AUS (Austin) to PHL (Philadelphia)?

The most reliable airline on the AUS to PHL route is American Airlines, with an on-time arrival rate of 76%.

How often are flights delayed from AUS to PHL?

About 25% of flights from AUS to PHL experience delays. 75% arrive on time.

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

When flights from AUS to PHL are delayed, the average delay is approximately 163 minutes.

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

With 75% of AUS to PHL flights arriving on time and an average delay of 163 minutes when late, a connection under 60 minutes at PHL is risky. We recommend at least 75-90 minutes for domestic connections after this route.

AUS → PHL

AUS (Austin) to PHL (Philadelphia)

AUS (Austin) to PHL (Philadelphia) flights arrive on time 75% of the time. The most reliable airline on this route is American Airlines at 76%. The average delay is 163 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 → PHL on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 75% 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 — American Airlines leads slightly at 76% vs Frontier Airlines at 75%.

Airline Comparison

American Airlines leads at 76% on time; Frontier Airlines trails at 75%.

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 ~5 min. Best time: 4 AM (about 5 min).

More about AUS →

Arriving at PHL

77% on time

When flights into PHL are late, the average delay is 84 minutes. Build buffer if you have ground plans.

If connecting at PHL: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.

PHL has a 2.4% cancellation rate — keep the airline app handy for rebooking.

More about PHL →Connection times at PHL →

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 PHL Airport

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