Which airline is most reliable for ORD (Chicago) to DEN (Denver)?

The most reliable airline on the ORD to DEN route is Delta Air Lines, with an on-time arrival rate of 80%.

How often are flights delayed from ORD to DEN?

About 25% of flights from ORD to DEN experience delays. 75% arrive on time.

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

When flights from ORD to DEN are delayed, the average delay is approximately 47 minutes.

ORD → DEN

ORD (Chicago) to DEN (Denver)

ORD (Chicago) to DEN (Denver) flights arrive on time 75% of the time. The most reliable airline on this route is Delta Air Lines at 80%. The average delay is 47 minutes. Delays on this route are most often caused by weather.

Source: Bureau of Transportation Statistics. Updated March 2026.

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ORD → DEN on-time performance by month

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This route is delayed fairly often. About 75% of flights arrive on schedule.

Delays on this route are most often caused by weather.

Delta Air Lines edges out JetBlue Airways on this route — 80% vs 75% on time.

Airline Comparison

Delta Air Lines leads at 80% on time; JetBlue Airways trails at 75%.

ORD Airport DEN Airport

Check the return: DEN → ORD

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