How often are LGA to IAD flights on time?

Flights from New York (LGA) to Washington (IAD) arrive on time 84% of the time across 11,835 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 87% across 457 flights.

Route reliability

Flights from New York to Washington arrive on time 84% of the time across 11,835 flights. Here’s how each airline really performs.

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On-time rate

11,835 flights

Airline	On-time	Flights
Delta Air Lines	87%	457
United Airlines	84%	11,378

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

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

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