Which departure time was most reliable for MDW to SAT?
Among qualifying MDW-to-SAT departure window results, Early morning had the highest on-time rate: 84.8% of 211 flights. Night was lowest at 60.8% across 166 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 211 | 84.8% | 7.6% | 0.9% |
| Late morning | 137 | 76.6% | 8.8% | 0.7% |
| Afternoon | 54 | 72.2% | 20.4% | 0.0% |
| Evening | 105 | 81.0% | 9.5% | 1.0% |
| Night | 166 | 60.8% | 24.7% | 2.4% |
Which weekday was most reliable for MDW to SAT?
Among qualifying MDW-to-SAT weekday results, Wednesday had the highest on-time rate: 85.3% of 95 flights. Tuesday was lowest at 69.1% across 97 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 101 | 71.3% | 18.8% | 1.0% |
| Tuesday | 97 | 69.1% | 14.4% | 1.0% |
| Wednesday | 95 | 85.3% | 6.3% | 1.1% |
| Thursday | 100 | 81.0% | 14.0% | 1.0% |
| Friday | 100 | 76.0% | 15.0% | 1.0% |
| Saturday | 84 | 73.8% | 7.1% | 2.4% |
| Sunday | 96 | 72.9% | 16.7% | 1.0% |
Which airline was most reliable for MDW to SAT?
Only Southwest Airlines met the MDW-to-SAT airline threshold: 75.6% of 673 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 673 | 75.6% | 13.4% | 1.2% |
Which month was most reliable for MDW to SAT?
Among qualifying MDW-to-SAT month results, February 2026 had the highest on-time rate: 96.4% of 28 flights. June 2026 was lowest at 51.7% across 60 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 74 | 66.2% | 20.3% | 1.4% |
| August 2025 | 60 | 76.7% | 10.0% | 0.0% |
| September 2025 | 56 | 87.5% | 7.1% | 0.0% |
| October 2025 | 62 | 87.1% | 6.5% | 0.0% |
| November 2025 | 57 | 80.7% | 8.8% | 3.5% |
| December 2025 | 60 | 75.0% | 18.3% | 0.0% |
| January 2026 | 36 | 72.2% | 8.3% | 0.0% |
| February 2026 | 28 | 96.4% | 3.6% | 0.0% |
| March 2026 | 58 | 77.6% | 12.1% | 5.2% |
| April 2026 | 60 | 73.3% | 10.0% | 1.7% |
| May 2026 | 62 | 75.8% | 16.1% | 0.0% |
| June 2026 | 60 | 51.7% | 30.0% | 1.7% |
What drove MDW to SAT delay minutes?
Late aircraft was the largest recorded MDW-to-SAT delay category, accounting for 51.7% of 8,906 BTS-attributed delay minutes during July 2025–June 2026.
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