Which airline is most reliable for DEN (Denver) to ATL (Atlanta)?

The most reliable airline on the DEN to ATL route is Delta Air Lines, with an on-time arrival rate of 79%.

How often are flights delayed from DEN to ATL?

About 21% of flights from DEN to ATL experience delays. 79% arrive on time.

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

When flights from DEN to ATL are delayed, the average delay is approximately 46 minutes.

DEN → ATL

DEN (Denver) to ATL (Atlanta)

DEN (Denver) to ATL (Atlanta) flights arrive on time 79% of the time. The most reliable airline on this route is Delta Air Lines at 79%. The average delay is 46 minutes. Delays on this route are most often caused by the incoming plane arriving late.

Source: Bureau of Transportation Statistics. Updated March 2026.

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DEN → ATL on-time performance by month

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This route is on time most of the time. About 79% of flights arrive on schedule.

Delays on this route are most often caused by the incoming plane arriving late.

Airlines are roughly equal on this route — Delta Air Lines leads slightly at 79% vs JetBlue Airways at 75%.

Airline Comparison

Delta Air Lines leads at 79% on time; JetBlue Airways trails at 75%.

DEN Airport ATL Airport

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