Flight OddsSTL → PHX Southwest Airlines
Southwest Airlines · St. Louis, MO to Phoenix, AZ · 1,600 flights, 2025-07-01 to 2026-06-30 · aggregated across 87 flight numbers
On-time arrival
73%
Median delay
0 min
90th percentile
+49 min
Cancellation rate
0%
How on-time is Southwest Airlines from STL to PHX?
Across every Southwest Airlines flight number on STL → PHX (1,600 flights, 2025-07-01 to 2026-06-30), 73% arrived within 15 minutes of schedule. Median arrival delay 0 min; the worst 10% ran +49 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,169 | 73% |
| 16-30 min | 172 | 11% |
| 31-60 min | 138 | 9% |
| 61-120 min | 78 | 5% |
| 2+ hrs | 36 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 118 | 78% | +10 min |
| 2025-08 | 120 | 76% | +7 min |
| 2025-09 | 115 | 73% | +12 min |
| 2025-10 | 145 | 77% | +7 min |
| 2025-11 | 124 | 64% | +18 min |
| 2025-12 | 140 | 69% | +16 min |
| 2026-01 | 129 | 86% | -1 min |
| 2026-02 | 132 | 80% | -1 min |
| 2026-03 | 162 | 77% | +3 min |
| 2026-04 | 146 | 76% | +6 min |
| 2026-05 | 143 | 68% | +10 min |
| 2026-06 | 119 | 55% | +27 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 232 | 72% |
| Tue | 239 | 78% |
| Wed | 235 | 78% |
| Thu | 235 | 71% |
| Fri | 233 | 76% |
| Sat | 181 | 72% |
| Sun | 238 | 67% |
WN flight numbers on STL → PHX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…