How often are GEG to SEA flights on time?

Flights from Spokane (GEG) to Seattle (SEA) arrive on time 91% of the time across 42,695 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 95% across 17,062 flights.

Route reliability

Flights from Spokane to Seattle arrive on time 91% of the time across 42,695 flights. Here’s how each airline really performs.

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On-time rate

42,695 flights

Airline	On-time	Flights
Delta Air Lines	95%	17,062
Alaska Airlines	89%	25,633

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

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