Flight OddsPDX → STL Southwest Airlines
Southwest Airlines · Portland, OR to St. Louis, MO · 34 flights, 2025-07-05 to 2026-06-28 · aggregated across 4 flight numbers
On-time arrival
79%
Median delay
+2 min
90th percentile
+22 min
Cancellation rate
0%
How on-time is Southwest Airlines from PDX to STL?
Across every Southwest Airlines flight number on PDX → STL (34 flights, 2025-07-05 to 2026-06-28), 79% arrived within 15 minutes of schedule. Median arrival delay +2 min; the worst 10% ran +22 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 27 | 79% |
| 16-30 min | 6 | 18% |
| 31-60 min | 1 | 3% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 75% | +3 min |
| 2025-08 | 10 | 100% | +0 min |
| 2025-09 | 8 | 63% | +11 min |
| 2026-06 | 8 | 75% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 17 | 88% |
| Sun | 17 | 71% |
WN flight numbers on PDX → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…