Denver to Atlanta

What the Data Says About DEN to ATL

The Denver to Atlanta corridor (DEN → ATL) covers roughly 1,199 miles and is served by 25 carriers, based on Bureau of Transportation Statistics reporting. Across 33,372 flights in the dataset, this route posts a 79.3% on-time rate with an average delay of 67.5 minutes when flights run late. Over the most recent 24 months of BTS data, 11,659 flights were recorded on this pairing — 95 cancelled (0.8%) and 31 diverted (0.3%). Those baseline metrics tell you what to expect before you book.

Having 25 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 33,372 total flights analyzed, the 79.3% on-time figure is statistically meaningful rather than a small-sample fluke. The 67.5-minute average delay applies only to flights that actually ran late, so it is not the average wait across all departures — the majority of flights on this route depart on time under the BTS definition of a delay (15+ minutes past schedule).

Looking at recent months, Nov 2025 posted the best performance on this corridor at 91% on-time, while Apr 2025 came in at 66% on-time — a 25-point gap between best and worst recent month. For travelers evaluating the DEN to ATL route, the combination of a 79.3% on-time rate, 67.5-minute average delay, 0.8% recent cancellation rate, and 25 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.