How often are DCA to BOS flights on time?

Flights from Washington (DCA) to Boston (BOS) arrive on time 84% of the time across 53,006 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 89% across 13,729 flights.

Route reliability

Flights from Washington to Boston arrive on time 84% of the time across 53,006 flights. Here’s how each airline really performs.

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On-time rate

53,006 flights

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

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Do Morning Flights Really Have Fewer Delays?

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Are Some Airlines Really More Reliable Than Others?

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