Flight OddsMDW → PDX Southwest Airlines
Southwest Airlines · Chicago, IL to Portland, OR · 686 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers
On-time arrival
64%
Median delay
+6 min
90th percentile
+60 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to PDX?
Across every Southwest Airlines flight number on MDW → PDX (686 flights, 2025-07-01 to 2026-06-30), 64% arrived within 15 minutes of schedule. Median arrival delay +6 min; the worst 10% ran +60 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 436 | 64% |
| 16-30 min | 103 | 15% |
| 31-60 min | 73 | 11% |
| 61-120 min | 44 | 6% |
| 2+ hrs | 24 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 88 | 63% | +18 min |
| 2025-08 | 84 | 69% | +18 min |
| 2025-09 | 81 | 84% | +3 min |
| 2025-10 | 54 | 80% | +5 min |
| 2025-11 | 29 | 76% | +16 min |
| 2025-12 | 31 | 35% | +23 min |
| 2026-01 | 31 | 77% | +7 min |
| 2026-02 | 28 | 64% | +11 min |
| 2026-03 | 56 | 38% | +42 min |
| 2026-04 | 59 | 61% | +19 min |
| 2026-05 | 60 | 65% | +20 min |
| 2026-06 | 79 | 52% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 103 | 62% |
| Tue | 106 | 66% |
| Wed | 102 | 68% |
| Thu | 102 | 64% |
| Fri | 101 | 54% |
| Sat | 86 | 74% |
| Sun | 80 | 61% |
WN flight numbers on MDW → PDX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…