Route Reliability
Denver → Kansas City
DEN–MCI · 533 miles · Denver International Airport to Kansas City International Airport
- 76%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.4%
- Cancelled
- 4,229
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines80%1,654 flights
- 2.Frontier Airlines79%245 flights
- 3.Southwest Airlines73%2,330 flights
What the data says
Morning-you made the right choice.
DEN–MCI flights departing between 3–6 AM arrived on time 98% of the time, versus 51% between 9 PM–12 AM.
Friday is doing you no favors.
DEN–MCI flights arrived on time 80% of the time on Saturdays. On Fridays: 72%.
United Airlines runs this route best.
United Airlines arrived on time 80% of the time on this route; Southwest Airlines managed 73%.
Slipping a little lately.
DEN–MCI flights arrived on time 76% of the time over the last three months in the data, compared with 82% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(659 flights)
- Tue77%(566 flights)
- Wed79%(576 flights)
- Thu73%(634 flights)
- Fri72%(662 flights)
- Sat80%(472 flights)
- Sun75%(636 flights)
- 3–6 AM98%(46 flights)
- 6–9 AM94%(680 flights)
- 9 AM–12 PM87%(857 flights)
- 12–3 PM78%(791 flights)
- 3–6 PM65%(834 flights)
- 6–9 PM63%(879 flights)
- 9 PM–12 AM51%(118 flights)
Jun 64% → May 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 376 |
| July 2025 | 62% | 384 |
| August 2025 | 70% | 368 |
| September 2025 | 75% | 360 |
| October 2025 | 83% | 393 |
| November 2025 | 88% | 347 |
| December 2025 | 78% | 331 |
| January 2026 | 86% | 302 |
| February 2026 | 83% | 292 |
| March 2026 | 73% | 336 |
| April 2026 | 82% | 337 |
| May 2026 | 73% | 379 |
Keep nerding
Based on 4,229 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.