How often are IAD to EWR flights on time?

Flights from Washington (IAD) to Newark (EWR) arrive on time 88% of the time across 11,397 flights of official data.

Which airline is most reliable on the IAD to EWR route?

United Airlines has the best on-time record on this route at 88% across 11,397 flights.

Route reliability

Flights from Washington to Newark arrive on time 88% of the time across 11,397 flights. Here’s how each airline really performs.

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On-time rate

11,397 flights

Airline	On-time	Flights
United Airlines	88%	11,397

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

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

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