Flight OddsMDW → SAT Southwest Airlines
Southwest Airlines · Chicago, IL to San Antonio, TX · 673 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
78%
Median delay
-4 min
90th percentile
+42 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to SAT?
Across every Southwest Airlines flight number on MDW → SAT (673 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +42 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 517 | 78% |
| 16-30 min | 60 | 9% |
| 31-60 min | 40 | 6% |
| 61-120 min | 29 | 4% |
| 2+ hrs | 18 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 73 | 71% | +21 min |
| 2025-08 | 60 | 78% | +3 min |
| 2025-09 | 56 | 88% | -1 min |
| 2025-10 | 62 | 89% | -2 min |
| 2025-11 | 55 | 84% | -4 min |
| 2025-12 | 60 | 75% | +7 min |
| 2026-01 | 36 | 75% | -2 min |
| 2026-02 | 28 | 96% | -14 min |
| 2026-03 | 55 | 84% | 0 min |
| 2026-04 | 59 | 75% | +9 min |
| 2026-05 | 62 | 76% | +11 min |
| 2026-06 | 58 | 55% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 100 | 72% |
| Tue | 96 | 71% |
| Wed | 94 | 87% |
| Thu | 99 | 82% |
| Fri | 99 | 79% |
| Sat | 81 | 80% |
| Sun | 95 | 75% |
WN flight numbers on MDW → SAT
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…