How often are MIA to DCA flights on time?

Flights from Miami (MIA) to Washington (DCA) arrive on time 82% of the time across 20,928 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 86% across 996 flights.

Route reliability

Flights from Miami to Washington arrive on time 82% of the time across 20,928 flights. Here’s how each airline really performs.

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On-time rate

20,928 flights

Airline	On-time	Flights
Delta Air Lines	86%	996
American Airlines	82%	19,932

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

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

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