Flight OddsWN4151 PHX → STL
Southwest Airlines · Phoenix, AZ to St. Louis, MO · 43 flights observed, 2025-11-02 to 2026-01-05 · 1,262 mi
WN4151 covers more than one route in the data window — the stats below are for PHX → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+1 min
90th percentile
+53 min
Cancellation rate
0%
How often is WN4151 on time?
Across 43 flights on PHX → STL from 2025-11-02 to 2026-01-05, WN4151 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +53 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 | 30 | 70% |
| 16-30 min | 6 | 14% |
| 31-60 min | 3 | 7% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 2 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 18 | 72% | +12 min |
| 2025-12 | 20 | 65% | +19 min |
| 2026-01 | 5 | 80% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 3 | 100% |
| Wed | 3 | 67% |
| Thu | 5 | 100% |
| Fri | 8 | 100% |
| Sat | 9 | 56% |
| Sun | 9 | 44% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…