How often are RDU to MIA flights on time?

Flights from Raleigh-durham (RDU) to Miami (MIA) arrive on time 85% of the time across 13,096 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 89% across 1,847 flights.

Route reliability

Flights from Raleigh-durham to Miami arrive on time 85% of the time across 13,096 flights. Here’s how each airline really performs.

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On-time rate

13,096 flights

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

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