How often are MSP to SEA flights on time?

Flights from Minneapolis (MSP) to Seattle (SEA) arrive on time 90% of the time across 16,482 flights of official data.

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

Delta Air Lines has the best on-time record on this route at 91% across 11,380 flights.

Route reliability

Flights from Minneapolis to Seattle arrive on time 90% of the time across 16,482 flights. Here’s how each airline really performs.

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On-time rate

16,482 flights

Airline	On-time	Flights
Delta Air Lines	91%	11,380
Alaska Airlines	89%	5,102

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

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