Which airline is most reliable for PDX (Portland) to ORD (Chicago)?

We don't have enough airline-level data for the PDX to ORD route yet.

How often are flights delayed from PDX to ORD?

About 23% of flights from PDX to ORD experience delays. 77% arrive on time.

What's the average delay on PDX to ORD flights?

When flights from PDX to ORD are delayed, the average delay is approximately 43 minutes.

PDX → ORD

PDX (Portland) to ORD (Chicago)

PDX (Portland) to ORD (Chicago) flights arrive on time 77% of the time. The average delay is 43 minutes. Delays on this route are most often caused by weather.

Source: Bureau of Transportation Statistics. Updated March 2026.

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PDX → ORD on-time performance by month

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This route is on time most of the time. About 77% of flights arrive on schedule.

Delays on this route are most often caused by weather.

PDX Airport ORD Airport

Check the return: ORD → PDX

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Data last updated March 2026. Source: Bureau of Transportation Statistics.