Flight OddsLAS → MDW Southwest Airlines
Southwest Airlines · Las Vegas, NV to Chicago, IL · 2,343 flights, 2025-07-01 to 2026-06-30 · aggregated across 140 flight numbers
On-time arrival
77%
Median delay
-3 min
90th percentile
+37 min
Cancellation rate
1%
How on-time is Southwest Airlines from LAS to MDW?
Across every Southwest Airlines flight number on LAS → MDW (2,343 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +37 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,782 | 77% |
| 16-30 min | 238 | 10% |
| 31-60 min | 171 | 7% |
| 61-120 min | 80 | 3% |
| 2+ hrs | 36 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 246 | 72% | +16 min |
| 2025-08 | 212 | 84% | +4 min |
| 2025-09 | 209 | 83% | +3 min |
| 2025-10 | 209 | 78% | +0 min |
| 2025-11 | 171 | 82% | +2 min |
| 2025-12 | 185 | 79% | +2 min |
| 2026-01 | 161 | 78% | +3 min |
| 2026-02 | 141 | 81% | +0 min |
| 2026-03 | 190 | 69% | +12 min |
| 2026-04 | 188 | 81% | +1 min |
| 2026-05 | 198 | 74% | +8 min |
| 2026-06 | 197 | 66% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 350 | 76% |
| Tue | 339 | 81% |
| Wed | 330 | 81% |
| Thu | 345 | 70% |
| Fri | 335 | 74% |
| Sat | 259 | 82% |
| Sun | 349 | 78% |
WN flight numbers on LAS → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…