How often are ATL to PHL flights on time?

Flights from Atlanta (ATL) to Philadelphia (PHL) arrive on time 82% of the time across 34,948 flights of official data.

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

Spirit Airlines has the best on-time record on this route at 86% across 2,127 flights.

Route reliability

Flights from Atlanta to Philadelphia arrive on time 82% of the time across 34,948 flights. Here’s how each airline really performs.

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On-time rate

34,948 flights

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

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Do Morning Flights Really Have Fewer Delays?

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Are Some Airlines Really More Reliable Than Others?

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

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