How often are ORD to RDU flights on time?

Flights from Chicago (ORD) to Raleigh-durham (RDU) arrive on time 84% of the time across 16,950 flights of official data.

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

United Airlines has the best on-time record on this route at 88% across 7,740 flights.

Route reliability

Flights from Chicago to Raleigh-durham arrive on time 84% of the time across 16,950 flights. Here’s how each airline really performs.

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On-time rate

16,950 flights

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

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