Flight OddsSTL → MIA Southwest Airlines
Southwest Airlines · St. Louis, MO to Miami, FL · 442 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers
On-time arrival
77%
Median delay
0 min
90th percentile
+36 min
Cancellation rate
0%
How on-time is Southwest Airlines from STL to MIA?
Across every Southwest Airlines flight number on STL → MIA (442 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +36 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 337 | 77% |
| 16-30 min | 47 | 11% |
| 31-60 min | 31 | 7% |
| 61-120 min | 21 | 5% |
| 2+ hrs | 2 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 39 | 82% | +3 min |
| 2025-08 | 41 | 68% | +9 min |
| 2025-09 | 36 | 81% | -1 min |
| 2025-10 | 39 | 87% | +3 min |
| 2025-11 | 36 | 81% | +2 min |
| 2025-12 | 35 | 80% | +8 min |
| 2026-01 | 36 | 69% | +11 min |
| 2026-02 | 32 | 91% | -3 min |
| 2026-03 | 41 | 76% | +9 min |
| 2026-04 | 33 | 85% | +5 min |
| 2026-05 | 31 | 74% | +14 min |
| 2026-06 | 39 | 54% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 76% |
| Tue | 53 | 83% |
| Wed | 51 | 94% |
| Thu | 52 | 85% |
| Fri | 52 | 83% |
| Sat | 102 | 65% |
| Sun | 78 | 69% |
WN flight numbers on STL → MIA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…