Flight OddsWN4205 STL → LAS
Southwest Airlines · St. Louis, MO to Las Vegas, NV · 58 flights observed, 2025-11-02 to 2026-01-05 · 1,371 mi
WN4205 covers more than one route in the data window — the stats below are for STL → LAS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
+2 min
90th percentile
+24 min
Cancellation rate
0%
How often is WN4205 on time?
Across 58 flights on STL → LAS from 2025-11-02 to 2026-01-05, WN4205 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +24 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 42 | 74% |
| 16-30 min | 10 | 18% |
| 31-60 min | 2 | 4% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 25 | 92% | -2 min |
| 2025-12 | 29 | 59% | +17 min |
| 2026-01 | 3 | 67% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 10 | 60% |
| Tue | 9 | 67% |
| Wed | 9 | 78% |
| Thu | 7 | 86% |
| Fri | 9 | 78% |
| Sat | 4 | 50% |
| Sun | 9 | 89% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…