Flight OddsPHL → STL Southwest Airlines
Southwest Airlines · Philadelphia, PA to St. Louis, MO · 725 flights, 2025-07-01 to 2026-06-30 · aggregated across 30 flight numbers
On-time arrival
80%
Median delay
-5 min
90th percentile
+40 min
Cancellation rate
0%
How on-time is Southwest Airlines from PHL to STL?
Across every Southwest Airlines flight number on PHL → STL (725 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +40 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 575 | 80% |
| 16-30 min | 47 | 7% |
| 31-60 min | 53 | 7% |
| 61-120 min | 24 | 3% |
| 2+ hrs | 23 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 67% | +26 min |
| 2025-08 | 57 | 86% | +12 min |
| 2025-09 | 56 | 88% | +4 min |
| 2025-10 | 62 | 92% | -3 min |
| 2025-11 | 83 | 78% | +3 min |
| 2025-12 | 88 | 63% | +26 min |
| 2026-01 | 39 | 85% | -5 min |
| 2026-02 | 27 | 93% | -10 min |
| 2026-03 | 54 | 80% | +11 min |
| 2026-04 | 69 | 88% | -3 min |
| 2026-05 | 73 | 74% | +14 min |
| 2026-06 | 57 | 81% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 114 | 76% |
| Tue | 106 | 84% |
| Wed | 103 | 81% |
| Thu | 111 | 75% |
| Fri | 112 | 84% |
| Sat | 60 | 80% |
| Sun | 116 | 78% |
WN flight numbers on PHL → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…