Flight OddsDAL → STL Southwest Airlines
Southwest Airlines · Dallas, TX to St. Louis, MO · 1,922 flights, 2025-07-01 to 2026-06-30 · aggregated across 106 flight numbers
On-time arrival
78%
Median delay
-4 min
90th percentile
+47 min
Cancellation rate
1%
How on-time is Southwest Airlines from DAL to STL?
Across every Southwest Airlines flight number on DAL → STL (1,922 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +47 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,469 | 78% |
| 16-30 min | 147 | 8% |
| 31-60 min | 129 | 7% |
| 61-120 min | 101 | 5% |
| 2+ hrs | 46 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 161 | 76% | +11 min |
| 2025-08 | 169 | 80% | +8 min |
| 2025-09 | 172 | 88% | +0 min |
| 2025-10 | 154 | 81% | +6 min |
| 2025-11 | 146 | 81% | +4 min |
| 2025-12 | 153 | 90% | -3 min |
| 2026-01 | 139 | 83% | +3 min |
| 2026-02 | 149 | 87% | -2 min |
| 2026-03 | 164 | 71% | +14 min |
| 2026-04 | 154 | 75% | +11 min |
| 2026-05 | 163 | 68% | +21 min |
| 2026-06 | 168 | 55% | +25 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 281 | 74% |
| Tue | 280 | 87% |
| Wed | 272 | 84% |
| Thu | 287 | 74% |
| Fri | 284 | 75% |
| Sat | 212 | 77% |
| Sun | 276 | 72% |
WN flight numbers on DAL → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…