Flight OddsMDW → MIA Southwest Airlines
Southwest Airlines · Chicago, IL to Miami, FL · 447 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
75%
Median delay
+1 min
90th percentile
+42 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to MIA?
Across every Southwest Airlines flight number on MDW → MIA (447 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay +1 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 | 329 | 75% |
| 16-30 min | 41 | 9% |
| 31-60 min | 41 | 9% |
| 61-120 min | 20 | 5% |
| 2+ hrs | 8 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 39 | 74% | +8 min |
| 2025-08 | 28 | 64% | +13 min |
| 2025-09 | 24 | 83% | +10 min |
| 2025-10 | 22 | 95% | 0 min |
| 2025-11 | 31 | 81% | +1 min |
| 2025-12 | 32 | 72% | +23 min |
| 2026-01 | 42 | 69% | +8 min |
| 2026-02 | 33 | 88% | -1 min |
| 2026-03 | 53 | 62% | +29 min |
| 2026-04 | 51 | 75% | +7 min |
| 2026-05 | 53 | 79% | +7 min |
| 2026-06 | 31 | 71% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 63 | 78% |
| Tue | 41 | 90% |
| Wed | 39 | 85% |
| Thu | 64 | 73% |
| Fri | 63 | 76% |
| Sat | 92 | 66% |
| Sun | 77 | 70% |
WN flight numbers on MDW → MIA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…