Flight OddsMDW → ATL Southwest Airlines
Southwest Airlines · Chicago, IL to Atlanta, GA · 1,546 flights, 2025-07-01 to 2026-06-30 · aggregated across 81 flight numbers
On-time arrival
78%
Median delay
-4 min
90th percentile
+41 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to ATL?
Across every Southwest Airlines flight number on MDW → ATL (1,546 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +41 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,183 | 78% |
| 16-30 min | 127 | 8% |
| 31-60 min | 114 | 7% |
| 61-120 min | 63 | 4% |
| 2+ hrs | 37 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 143 | 71% | +22 min |
| 2025-08 | 139 | 76% | +8 min |
| 2025-09 | 138 | 87% | +1 min |
| 2025-10 | 141 | 84% | +3 min |
| 2025-11 | 125 | 78% | +3 min |
| 2025-12 | 124 | 74% | +13 min |
| 2026-01 | 119 | 92% | -5 min |
| 2026-02 | 111 | 81% | +2 min |
| 2026-03 | 116 | 73% | +17 min |
| 2026-04 | 116 | 84% | 0 min |
| 2026-05 | 119 | 69% | +15 min |
| 2026-06 | 133 | 65% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 229 | 73% |
| Tue | 233 | 83% |
| Wed | 224 | 84% |
| Thu | 229 | 78% |
| Fri | 231 | 76% |
| Sat | 155 | 80% |
| Sun | 223 | 70% |
WN flight numbers on MDW → ATL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…