How often are ATL to LAS flights on time?

Flights from Atlanta (ATL) to Las Vegas (LAS) arrive on time 83% of the time across 29,248 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 86% across 18,376 flights.

Route reliability

Flights from Atlanta to Las Vegas arrive on time 83% of the time across 29,248 flights. Here’s how each airline really performs.

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On-time rate

29,248 flights

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

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Are Some Airlines Really More Reliable Than Others?

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