Which departure time was most reliable for DTW to SDF?
Among qualifying DTW-to-SDF departure window results, Night had the highest on-time rate: 90.5% of 42 flights. Evening was lowest at 72.9% across 365 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 350 | 80.0% | 12.9% | 1.4% |
| Afternoon | 420 | 74.8% | 19.0% | 1.2% |
| Evening | 365 | 72.9% | 17.0% | 1.1% |
| Night | 42 | 90.5% | 4.8% | 0.0% |
Which weekday was most reliable for DTW to SDF?
Among qualifying DTW-to-SDF weekday results, Saturday had the highest on-time rate: 83.2% of 149 flights. Friday was lowest at 71.8% across 174 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 181 | 72.9% | 21.0% | 1.1% |
| Tuesday | 173 | 77.5% | 12.1% | 0.6% |
| Wednesday | 167 | 80.8% | 13.2% | 1.2% |
| Thursday | 171 | 73.7% | 19.9% | 0.0% |
| Friday | 174 | 71.8% | 19.0% | 1.7% |
| Saturday | 149 | 83.2% | 8.7% | 2.0% |
| Sunday | 175 | 74.9% | 17.7% | 1.7% |
Which airline was most reliable for DTW to SDF?
Among qualifying DTW-to-SDF airline results, Republic Airways had the highest on-time rate: 79.2% of 408 flights. SkyWest Airlines was lowest at 74.9% across 753 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| SkyWest Airlines | 753 | 74.9% | 17.8% | 1.5% |
| Republic Airways | 408 | 79.2% | 13.0% | 0.7% |
| Spirit Airlines | 18 | 83.3% | 11.1% | 0.0% |
| Delta Air Lines | 11 | 45.5% | 27.3% | 0.0% |
Which month was most reliable for DTW to SDF?
Among qualifying DTW-to-SDF month results, September 2025 had the highest on-time rate: 95.9% of 73 flights. December 2025 was lowest at 60.2% across 88 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 124 | 67.7% | 20.2% | 0.8% |
| August 2025 | 123 | 83.7% | 7.3% | 0.0% |
| September 2025 | 73 | 95.9% | 4.1% | 0.0% |
| October 2025 | 105 | 90.5% | 6.7% | 0.0% |
| November 2025 | 107 | 80.4% | 11.2% | 1.9% |
| December 2025 | 88 | 60.2% | 28.4% | 2.3% |
| January 2026 | 81 | 61.7% | 19.8% | 6.2% |
| February 2026 | 76 | 72.4% | 21.1% | 0.0% |
| March 2026 | 108 | 63.9% | 26.9% | 2.8% |
| April 2026 | 116 | 79.3% | 14.7% | 0.9% |
| May 2026 | 118 | 80.5% | 16.1% | 0.0% |
| June 2026 | 71 | 77.5% | 19.7% | 0.0% |
What drove DTW to SDF delay minutes?
Airline was the largest recorded DTW-to-SDF delay category, accounting for 56.0% of 22,208 BTS-attributed delay minutes during July 2025–June 2026.
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