Nashville to Denver

What the Data Says About BNA to DEN

The Nashville to Denver corridor (BNA → DEN) covers roughly 1,014 miles and is served by 22 carriers, based on Bureau of Transportation Statistics reporting. Across 21,243 flights in the dataset, this route posts a 81.6% on-time rate with an average delay of 66.6 minutes when flights run late. Over the most recent 24 months of BTS data, 7,778 flights were recorded on this pairing — 57 cancelled (0.7%) and 24 diverted (0.3%). Those baseline metrics tell you what to expect before you book.

Having 22 carriers on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 21,243 total flights analyzed, the 81.6% on-time figure is statistically meaningful rather than a small-sample fluke. The 66.6-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, Oct 2024 posted the best performance on this corridor at 91% on-time, while May 2025 came in at 60% on-time — a 31-point gap between best and worst recent month. For travelers evaluating the BNA to DEN route, the combination of a 81.6% on-time rate, 66.6-minute average delay, 0.7% recent cancellation rate, and 22 available carriers is the concrete summary of what BTS data shows about reliability on this pairing.