How often are PDX to ORD flights on time?

Flights from Portland (PDX) to Chicago (ORD) arrive on time 91% of the time across 13,221 flights of official data.

Which airline is most reliable on the PDX to ORD route?

Alaska Airlines has the best on-time record on this route at 94% across 3,163 flights.

Route reliability

Flights from Portland to Chicago arrive on time 91% of the time across 13,221 flights. Here’s how each airline really performs.

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On-time rate

13,221 flights

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

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Are Some Airlines Really More Reliable Than Others?

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

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