Rock Springs to Denver

What the Data Says About RKS to DEN

The Rock Springs to Denver corridor (RKS → DEN) covers roughly 260 miles and is served by 1 carrier, based on Bureau of Transportation Statistics reporting. Across 3,100 flights in the dataset, this route posts a 87.1% on-time rate with an average delay of 162.7 minutes when flights run late. Over the most recent 24 months of BTS data, 1,352 flights were recorded on this pairing — 11 cancelled (0.8%) and 5 diverted (0.4%). Those baseline metrics tell you what to expect before you book.

Having 1 carrier on the route matters: more carriers generally means more daily schedule options, competitive pricing, and redundancy when flights are cancelled. With 3,100 total flights analyzed, the 87.1% on-time figure is statistically meaningful rather than a small-sample fluke. The 162.7-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, Jun 2024 posted the best performance on this corridor at 98% on-time, while Apr 2025 came in at 73% on-time — a 25-point gap between best and worst recent month. For travelers evaluating the RKS to DEN route, the combination of a 87.1% on-time rate, 162.7-minute average delay, 0.8% recent cancellation rate, and 1 available carrier is the concrete summary of what BTS data shows about reliability on this pairing.