Flight OddsATL → STL Southwest Airlines
Southwest Airlines · Atlanta, GA to St. Louis, MO · 1,130 flights, 2025-07-01 to 2026-06-30 · aggregated across 54 flight numbers
On-time arrival
81%
Median delay
-7 min
90th percentile
+39 min
Cancellation rate
1%
How on-time is Southwest Airlines from ATL to STL?
Across every Southwest Airlines flight number on ATL → STL (1,130 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +39 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 909 | 81% |
| 16-30 min | 79 | 7% |
| 31-60 min | 71 | 6% |
| 61-120 min | 41 | 4% |
| 2+ hrs | 24 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 112 | 76% | +11 min |
| 2025-08 | 97 | 84% | +3 min |
| 2025-09 | 95 | 88% | -2 min |
| 2025-10 | 110 | 81% | +3 min |
| 2025-11 | 88 | 78% | +7 min |
| 2025-12 | 100 | 83% | +5 min |
| 2026-01 | 89 | 90% | -6 min |
| 2026-02 | 84 | 87% | +1 min |
| 2026-03 | 89 | 75% | +11 min |
| 2026-04 | 86 | 84% | +0 min |
| 2026-05 | 88 | 76% | +7 min |
| 2026-06 | 86 | 69% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 175 | 72% |
| Tue | 171 | 87% |
| Wed | 166 | 91% |
| Thu | 173 | 82% |
| Fri | 173 | 82% |
| Sat | 103 | 84% |
| Sun | 163 | 70% |
WN flight numbers on ATL → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…