Which departure time was most reliable for DTW to SAT?
Among qualifying DTW-to-SAT departure window results, Late morning had the highest on-time rate: 90.5% of 42 flights. Evening was lowest at 67.5% across 295 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 326 | 87.1% | 7.7% | 0.3% |
| Late morning | 42 | 90.5% | 4.8% | 2.4% |
| Afternoon | 232 | 81.5% | 11.6% | 0.0% |
| Evening | 295 | 67.5% | 18.6% | 1.7% |
| Night | 56 | 78.6% | 12.5% | 0.0% |
Which weekday was most reliable for DTW to SAT?
Among qualifying DTW-to-SAT weekday results, Tuesday had the highest on-time rate: 86.6% of 142 flights. Sunday was lowest at 73.6% across 140 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 146 | 77.4% | 12.3% | 2.1% |
| Tuesday | 142 | 86.6% | 5.6% | 0.7% |
| Wednesday | 138 | 82.6% | 8.7% | 0.0% |
| Thursday | 139 | 81.3% | 8.6% | 0.0% |
| Friday | 141 | 75.9% | 17.7% | 0.0% |
| Saturday | 105 | 77.1% | 12.4% | 1.9% |
| Sunday | 140 | 73.6% | 20.0% | 0.7% |
Which airline was most reliable for DTW to SAT?
Only Delta Air Lines met the DTW-to-SAT airline threshold: 79.1% of 934 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 934 | 79.1% | 12.3% | 0.7% |
| Spirit Airlines | 17 | 88.2% | 5.9% | 0.0% |
Which month was most reliable for DTW to SAT?
Among qualifying DTW-to-SAT month results, October 2025 had the highest on-time rate: 90.4% of 83 flights. January 2026 was lowest at 60.9% across 64 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 92 | 73.9% | 15.2% | 2.2% |
| August 2025 | 97 | 88.7% | 5.2% | 0.0% |
| September 2025 | 82 | 85.4% | 9.8% | 0.0% |
| October 2025 | 83 | 90.4% | 4.8% | 0.0% |
| November 2025 | 83 | 81.9% | 14.5% | 0.0% |
| December 2025 | 86 | 72.1% | 20.9% | 0.0% |
| January 2026 | 64 | 60.9% | 28.1% | 1.6% |
| February 2026 | 56 | 83.9% | 7.1% | 0.0% |
| March 2026 | 62 | 85.5% | 9.7% | 1.6% |
| April 2026 | 76 | 81.6% | 9.2% | 0.0% |
| May 2026 | 87 | 72.4% | 11.5% | 2.3% |
| June 2026 | 83 | 73.5% | 12.0% | 1.2% |
What drove DTW to SAT delay minutes?
Airline was the largest recorded DTW-to-SAT delay category, accounting for 58.4% of 10,993 BTS-attributed delay minutes during July 2025–June 2026.
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