Flight OddsATL → MDW Southwest Airlines
Southwest Airlines · Atlanta, GA to Chicago, IL · 1,545 flights, 2025-07-01 to 2026-06-30 · aggregated across 77 flight numbers
On-time arrival
77%
Median delay
-2 min
90th percentile
+40 min
Cancellation rate
2%
How on-time is Southwest Airlines from ATL to MDW?
Across every Southwest Airlines flight number on ATL → MDW (1,545 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +40 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,160 | 77% |
| 16-30 min | 150 | 10% |
| 31-60 min | 105 | 7% |
| 61-120 min | 53 | 4% |
| 2+ hrs | 40 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 143 | 69% | +19 min |
| 2025-08 | 140 | 79% | +5 min |
| 2025-09 | 138 | 92% | -4 min |
| 2025-10 | 142 | 77% | +4 min |
| 2025-11 | 120 | 88% | +4 min |
| 2025-12 | 123 | 69% | +12 min |
| 2026-01 | 118 | 89% | +1 min |
| 2026-02 | 109 | 82% | +10 min |
| 2026-03 | 113 | 73% | +10 min |
| 2026-04 | 113 | 85% | +1 min |
| 2026-05 | 119 | 57% | +26 min |
| 2026-06 | 130 | 63% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 229 | 77% |
| Tue | 232 | 78% |
| Wed | 225 | 84% |
| Thu | 223 | 75% |
| Fri | 228 | 72% |
| Sat | 151 | 79% |
| Sun | 220 | 72% |
WN flight numbers on ATL → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…