How often are HOU to ATL flights on time?

Flights from Houston (HOU) to Atlanta (ATL) arrive on time 86% of the time across 20,017 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 88% across 9,890 flights.

Route reliability

Flights from Houston to Atlanta arrive on time 86% of the time across 20,017 flights. Here’s how each airline really performs.

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On-time rate

20,017 flights

Airline	On-time	Flights
Delta Air Lines	88%	9,890
Southwest Airlines	83%	10,127

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

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

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