How often are DFW to SEA flights on time?

Flights from Dallas-Fort Worth (DFW) to Seattle (SEA) arrive on time 81% of the time across 26,448 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 89% across 1,335 flights.

Route reliability

Flights from Dallas-Fort Worth to Seattle arrive on time 81% of the time across 26,448 flights. Here’s how each airline really performs.

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On-time rate

26,448 flights

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

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