Which departure time was most reliable for SAT to MDW?
Among qualifying SAT-to-MDW departure window results, Early morning had the highest on-time rate: 90.9% of 208 flights. Afternoon was lowest at 64.2% across 307 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 208 | 90.9% | 4.8% | 1.4% |
| Late morning | 117 | 85.5% | 4.3% | 1.7% |
| Afternoon | 307 | 64.2% | 18.6% | 0.3% |
| Evening | 41 | 80.5% | 4.9% | 2.4% |
Which weekday was most reliable for SAT to MDW?
Among qualifying SAT-to-MDW weekday results, Tuesday had the highest on-time rate: 82.5% of 97 flights. Sunday was lowest at 65.6% across 96 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 101 | 75.2% | 12.9% | 1.0% |
| Tuesday | 97 | 82.5% | 11.3% | 0.0% |
| Wednesday | 95 | 81.1% | 6.3% | 1.1% |
| Thursday | 100 | 73.0% | 11.0% | 1.0% |
| Friday | 100 | 82.0% | 10.0% | 0.0% |
| Saturday | 84 | 81.0% | 8.3% | 3.6% |
| Sunday | 96 | 65.6% | 16.7% | 1.0% |
Which airline was most reliable for SAT to MDW?
Only Southwest Airlines met the SAT-to-MDW airline threshold: 77.1% of 673 scheduled flights arrived on time during July 2025–June 2026.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 673 | 77.1% | 11.0% | 1.0% |
Which month was most reliable for SAT to MDW?
Among qualifying SAT-to-MDW month results, October 2025 had the highest on-time rate: 88.7% of 62 flights. March 2026 was lowest at 51.7% across 58 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 74 | 87.8% | 4.1% | 1.4% |
| August 2025 | 60 | 85.0% | 8.3% | 0.0% |
| September 2025 | 56 | 85.7% | 7.1% | 0.0% |
| October 2025 | 62 | 88.7% | 8.1% | 0.0% |
| November 2025 | 57 | 75.4% | 7.0% | 3.5% |
| December 2025 | 60 | 71.7% | 15.0% | 0.0% |
| January 2026 | 36 | 83.3% | 8.3% | 0.0% |
| February 2026 | 28 | 60.7% | 25.0% | 0.0% |
| March 2026 | 58 | 51.7% | 17.2% | 3.4% |
| April 2026 | 60 | 83.3% | 8.3% | 1.7% |
| May 2026 | 62 | 79.0% | 11.3% | 0.0% |
| June 2026 | 60 | 63.3% | 20.0% | 1.7% |
What drove SAT to MDW delay minutes?
Late aircraft was the largest recorded SAT-to-MDW delay category, accounting for 47.6% of 6,350 BTS-attributed delay minutes during July 2025–June 2026.
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