How often are ATL to HOU flights on time?

Flights from Atlanta (ATL) to Houston (HOU) arrive on time 85% of the time across 19,954 flights of official data.

Which airline is most reliable on the ATL to HOU route?

Delta Air Lines has the best on-time record on this route at 87% across 9,889 flights.

Route reliability

Flights from Atlanta to Houston arrive on time 85% of the time across 19,954 flights. Here’s how each airline really performs.

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On-time rate

19,954 flights

Airline	On-time	Flights
Delta Air Lines	87%	9,889
Southwest Airlines	84%	10,065

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

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

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