How often are AUS to IAH flights on time?

Flights from Austin (AUS) to Houston (IAH) arrive on time 89% of the time across 16,462 flights of official data.

Which airline is most reliable on the AUS to IAH route?

United Airlines has the best on-time record on this route at 89% across 16,462 flights.

Route reliability

Flights from Austin to Houston arrive on time 89% of the time across 16,462 flights. Here’s how each airline really performs.

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On-time rate

16,462 flights

Airline	On-time	Flights
United Airlines	89%	16,462

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg IAH → AUS.

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Score real AUS–IAH flights on reliability, weather, and connection safety — not just price.

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