How often are SFO to IAD flights on time?

Flights from San Francisco (SFO) to Washington (IAD) arrive on time 88% of the time across 14,384 flights of official data.

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

United Airlines has the best on-time record on this route at 88% across 12,714 flights.

Route reliability

Flights from San Francisco to Washington arrive on time 88% of the time across 14,384 flights. Here’s how each airline really performs.

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On-time rate

14,384 flights

Airline	On-time	Flights
United Airlines	88%	12,714
Alaska Airlines	82%	1,670

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

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