Flight OddsSTL → PDX Southwest Airlines
Southwest Airlines · St. Louis, MO to Portland, OR · 34 flights, 2025-07-05 to 2026-06-28 · aggregated across 7 flight numbers
On-time arrival
67%
Median delay
+12 min
90th percentile
+34 min
Cancellation rate
3%
How on-time is Southwest Airlines from STL to PDX?
Across every Southwest Airlines flight number on STL → PDX (34 flights, 2025-07-05 to 2026-06-28), 67% arrived within 15 minutes of schedule. Median arrival delay +12 min; the worst 10% ran +34 min or later. 3% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 22 | 67% |
| 16-30 min | 6 | 18% |
| 31-60 min | 5 | 15% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 8 | 50% | +19 min |
| 2025-08 | 9 | 78% | +9 min |
| 2025-09 | 8 | 100% | -1 min |
| 2026-06 | 8 | 38% | +24 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 | 71% |
| Sun | 16 | 63% |
WN flight numbers on STL → PDX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…