How often are MIA to RDU flights on time?

Flights from Miami (MIA) to Raleigh-durham (RDU) arrive on time 79% of the time across 13,090 flights of official data.

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

Spirit Airlines has the best on-time record on this route at 84% across 370 flights.

Route reliability

Flights from Miami to Raleigh-durham arrive on time 79% of the time across 13,090 flights. Here’s how each airline really performs.

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On-time rate

13,090 flights

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

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