How often are SEA to SNA flights on time?

Flights from Seattle (SEA) to Santa Ana (SNA) arrive on time 90% of the time across 23,734 flights of official data.

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

Alaska Airlines has the best on-time record on this route at 91% across 16,299 flights.

Route reliability

Flights from Seattle to Santa Ana arrive on time 90% of the time across 23,734 flights. Here’s how each airline really performs.

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On-time rate

23,734 flights

Airline	On-time	Flights
Alaska Airlines	91%	16,299
Delta Air Lines	88%	7,435

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

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

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