How often are SEA to EUG flights on time?

Flights from Seattle (SEA) to Eugene (EUG) arrive on time 89% of the time across 17,183 flights of official data.

Which airline is most reliable on the SEA to EUG route?

Delta Air Lines has the best on-time record on this route at 94% across 6,562 flights.

Route reliability

Flights from Seattle to Eugene arrive on time 89% of the time across 17,183 flights. Here’s how each airline really performs.

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On-time rate

17,183 flights

Airline	On-time	Flights
Delta Air Lines	94%	6,562
Alaska Airlines	87%	10,621

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

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

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