Flight OddsHOU → MDW Southwest Airlines
Southwest Airlines · Houston, TX to Chicago, IL · 1,834 flights, 2025-07-01 to 2026-06-30 · aggregated across 101 flight numbers
On-time arrival
74%
Median delay
+1 min
90th percentile
+47 min
Cancellation rate
1%
How on-time is Southwest Airlines from HOU to MDW?
Across every Southwest Airlines flight number on HOU → MDW (1,834 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay +1 min; the worst 10% ran +47 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,330 | 74% |
| 16-30 min | 201 | 11% |
| 31-60 min | 139 | 8% |
| 61-120 min | 96 | 5% |
| 2+ hrs | 35 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 182 | 64% | +19 min |
| 2025-08 | 164 | 79% | +9 min |
| 2025-09 | 162 | 89% | +2 min |
| 2025-10 | 154 | 81% | +5 min |
| 2025-11 | 136 | 76% | +8 min |
| 2025-12 | 144 | 78% | +6 min |
| 2026-01 | 128 | 87% | +1 min |
| 2026-02 | 115 | 79% | +6 min |
| 2026-03 | 154 | 62% | +21 min |
| 2026-04 | 147 | 74% | +9 min |
| 2026-05 | 149 | 71% | +13 min |
| 2026-06 | 166 | 53% | +31 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 273 | 71% |
| Tue | 257 | 80% |
| Wed | 247 | 76% |
| Thu | 265 | 75% |
| Fri | 269 | 71% |
| Sat | 239 | 79% |
| Sun | 251 | 65% |
WN flight numbers on HOU → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…