Flight OddsLAS → STL Southwest Airlines
Southwest Airlines · Las Vegas, NV to St. Louis, MO · 1,778 flights, 2025-07-01 to 2026-06-30 · aggregated across 122 flight numbers
On-time arrival
79%
Median delay
-4 min
90th percentile
+42 min
Cancellation rate
0%
How on-time is Southwest Airlines from LAS to STL?
Across every Southwest Airlines flight number on LAS → STL (1,778 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +42 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,394 | 79% |
| 16-30 min | 139 | 8% |
| 31-60 min | 136 | 8% |
| 61-120 min | 72 | 4% |
| 2+ hrs | 31 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 145 | 74% | +9 min |
| 2025-08 | 139 | 78% | +5 min |
| 2025-09 | 135 | 79% | +9 min |
| 2025-10 | 164 | 77% | +6 min |
| 2025-11 | 146 | 82% | +3 min |
| 2025-12 | 160 | 78% | +4 min |
| 2026-01 | 139 | 86% | -3 min |
| 2026-02 | 129 | 83% | -2 min |
| 2026-03 | 173 | 79% | +5 min |
| 2026-04 | 149 | 80% | +4 min |
| 2026-05 | 143 | 74% | +11 min |
| 2026-06 | 150 | 74% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 268 | 77% |
| Tue | 256 | 84% |
| Wed | 249 | 85% |
| Thu | 263 | 74% |
| Fri | 262 | 76% |
| Sat | 196 | 85% |
| Sun | 278 | 72% |
WN flight numbers on LAS → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…