How often are ORD to PHL flights on time?

Flights from Chicago (ORD) to Philadelphia (PHL) arrive on time 81% of the time across 26,485 flights of official data.

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

United Airlines has the best on-time record on this route at 84% across 9,810 flights.

Route reliability

Flights from Chicago to Philadelphia arrive on time 81% of the time across 26,485 flights. Here’s how each airline really performs.

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On-time rate

26,485 flights

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

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Nonstop vs. Connecting Flights: The Reliability Trade-off

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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 ORD–PHL flights on reliability, weather, and connection safety — not just price.

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