Route Reliability
Denver → RKS
DEN–RKS · 260 miles · Denver International Airport to RKS Airport
- 77%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 0.8%
- Cancelled
- 728
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 77% of the time across 728 flights. No comparison to make.
What the data says
The late departure is the smart one here.
DEN–RKS flights departing between 6–9 PM arrived on time 85% of the time, versus 71% between 9 PM–12 AM.
Friday is doing you no favors.
DEN–RKS flights arrived on time 85% of the time on Wednesdays and just 69% on Fridays. That gap is worth planning around.
Ticking up lately.
DEN–RKS flights arrived on time 80% of the time over the last three months in the data, compared with 75% in the three months before that.
Flights on this route
The breakdown
- Mon72%(103 flights)
- Tue82%(98 flights)
- Wed85%(101 flights)
- Thu76%(102 flights)
- Fri69%(104 flights)
- Sat82%(102 flights)
- Sun75%(104 flights)
- 9 AM–12 PM76%(54 flights)
- 12–3 PM81%(306 flights)
- 6–9 PM85%(71 flights)
- 9 PM–12 AM71%(283 flights)
Jun 63% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 59 |
| July 2025 | 62% | 58 |
| August 2025 | 73% | 59 |
| September 2025 | 78% | 60 |
| October 2025 | 88% | 60 |
| November 2025 | 97% | 58 |
| December 2025 | 71% | 62 |
| January 2026 | 74% | 62 |
| February 2026 | 80% | 54 |
| March 2026 | 75% | 61 |
| April 2026 | 87% | 60 |
| May 2026 | 79% | 61 |
Keep nerding
Based on 728 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.