How often are SEA to DFW flights on time?

Flights from Seattle (SEA) to Dallas-Fort Worth (DFW) arrive on time 85% of the time across 26,456 flights of official data.

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

Alaska Airlines has the best on-time record on this route at 86% across 9,611 flights.

Route reliability

Flights from Seattle to Dallas-Fort Worth arrive on time 85% of the time across 26,456 flights. Here’s how each airline really performs.

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On-time rate

26,456 flights

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

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Are Some Airlines Really More Reliable Than Others?

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