Which departure time was most reliable for MKE to DEN?
Among qualifying MKE-to-DEN departure window results, Early morning had the highest on-time rate: 88.4% of 793 flights. Evening was lowest at 60.2% across 561 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 793 | 88.4% | 6.2% | 0.4% |
| Late morning | 394 | 83.0% | 10.2% | 0.3% |
| Afternoon | 593 | 76.2% | 13.3% | 0.2% |
| Evening | 561 | 60.2% | 28.5% | 0.9% |
Which weekday was most reliable for MKE to DEN?
Among qualifying MKE-to-DEN weekday results, Tuesday had the highest on-time rate: 80.1% of 321 flights. Monday was lowest at 75.3% across 369 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 369 | 75.3% | 16.8% | 0.8% |
| Tuesday | 321 | 80.1% | 11.5% | 0.3% |
| Wednesday | 326 | 78.2% | 13.8% | 0.3% |
| Thursday | 341 | 76.0% | 14.4% | 0.3% |
| Friday | 370 | 78.4% | 14.1% | 0.3% |
| Saturday | 273 | 78.8% | 13.2% | 0.4% |
| Sunday | 342 | 77.2% | 14.0% | 0.6% |
Which airline was most reliable for MKE to DEN?
Among qualifying MKE-to-DEN airline results, Southwest Airlines had the highest on-time rate: 78.9% of 1,255 flights. Frontier Airlines was lowest at 71.7% across 60 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,255 | 78.9% | 13.6% | 0.6% |
| United Airlines | 742 | 76.1% | 13.2% | 0.1% |
| SkyWest Airlines | 285 | 77.2% | 16.1% | 0.4% |
| Frontier Airlines | 60 | 71.7% | 23.3% | 0.0% |
Which month was most reliable for MKE to DEN?
Among qualifying MKE-to-DEN month results, February 2026 had the highest on-time rate: 86.8% of 136 flights. December 2025 was lowest at 67.9% across 168 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 268 | 70.5% | 22.4% | 0.7% |
| August 2025 | 239 | 72.0% | 16.7% | 0.0% |
| September 2025 | 227 | 82.4% | 11.0% | 0.4% |
| October 2025 | 233 | 83.7% | 9.9% | 0.0% |
| November 2025 | 171 | 82.5% | 11.1% | 0.6% |
| December 2025 | 168 | 67.9% | 19.6% | 0.0% |
| January 2026 | 155 | 78.1% | 16.1% | 0.6% |
| February 2026 | 136 | 86.8% | 8.1% | 0.0% |
| March 2026 | 159 | 76.7% | 13.2% | 2.5% |
| April 2026 | 160 | 80.6% | 11.9% | 0.0% |
| May 2026 | 190 | 76.8% | 11.1% | 0.0% |
| June 2026 | 236 | 78.0% | 13.6% | 0.4% |
What drove MKE to DEN delay minutes?
National airspace was the largest recorded MKE-to-DEN delay category, accounting for 35.1% of 31,701 BTS-attributed delay minutes during July 2025–June 2026.
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