How often are DAL to ATL flights on time?

Flights from Dallas (DAL) to Atlanta (ATL) arrive on time 84% of the time across 21,214 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 87% across 10,886 flights.

Route reliability

Flights from Dallas to Atlanta arrive on time 84% of the time across 21,214 flights. Here’s how each airline really performs.

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On-time rate

21,214 flights

Airline	On-time	Flights
Delta Air Lines	87%	10,886
Southwest Airlines	80%	10,328

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

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

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