How often are RDU to ORD flights on time?

Flights from Raleigh-durham (RDU) to Chicago (ORD) arrive on time 89% of the time across 16,947 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 93% across 218 flights.

Route reliability

Flights from Raleigh-durham to Chicago arrive on time 89% of the time across 16,947 flights. Here’s how each airline really performs.

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On-time rate

16,947 flights

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

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