Flight OddsPHX → STL Southwest Airlines
Southwest Airlines · Phoenix, AZ to St. Louis, MO · 1,600 flights, 2025-07-01 to 2026-06-30 · aggregated across 90 flight numbers
On-time arrival
78%
Median delay
-1 min
90th percentile
+37 min
Cancellation rate
0%
How on-time is Southwest Airlines from PHX to STL?
Across every Southwest Airlines flight number on PHX → STL (1,600 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +37 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,234 | 78% |
| 16-30 min | 151 | 10% |
| 31-60 min | 119 | 8% |
| 61-120 min | 58 | 4% |
| 2+ hrs | 23 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 115 | 82% | +6 min |
| 2025-08 | 119 | 82% | +6 min |
| 2025-09 | 115 | 84% | +1 min |
| 2025-10 | 145 | 84% | +3 min |
| 2025-11 | 125 | 71% | +12 min |
| 2025-12 | 140 | 72% | +13 min |
| 2026-01 | 131 | 87% | +3 min |
| 2026-02 | 131 | 85% | +1 min |
| 2026-03 | 164 | 75% | +11 min |
| 2026-04 | 142 | 72% | +9 min |
| 2026-05 | 141 | 74% | +9 min |
| 2026-06 | 117 | 67% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 230 | 74% |
| Tue | 240 | 80% |
| Wed | 233 | 84% |
| Thu | 230 | 80% |
| Fri | 233 | 79% |
| Sat | 179 | 76% |
| Sun | 240 | 71% |
WN flight numbers on PHX → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…