Flight OddsPDX → MDW Southwest Airlines
Southwest Airlines · Portland, OR to Chicago, IL · 687 flights, 2025-07-01 to 2026-06-30 · aggregated across 33 flight numbers
On-time arrival
90%
Median delay
-7 min
90th percentile
+15 min
Cancellation rate
1%
How on-time is Southwest Airlines from PDX to MDW?
Across every Southwest Airlines flight number on PDX → MDW (687 flights, 2025-07-01 to 2026-06-30), 90% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +15 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 609 | 90% |
| 16-30 min | 32 | 5% |
| 31-60 min | 25 | 4% |
| 61-120 min | 7 | 1% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 85 | 81% | +7 min |
| 2025-08 | 84 | 92% | -2 min |
| 2025-09 | 82 | 91% | -1 min |
| 2025-10 | 54 | 85% | -1 min |
| 2025-11 | 30 | 97% | -12 min |
| 2025-12 | 31 | 84% | -3 min |
| 2026-01 | 31 | 90% | -4 min |
| 2026-02 | 28 | 96% | -15 min |
| 2026-03 | 55 | 93% | -14 min |
| 2026-04 | 59 | 97% | -8 min |
| 2026-05 | 60 | 97% | -9 min |
| 2026-06 | 78 | 85% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 102 | 89% |
| Tue | 106 | 91% |
| Wed | 103 | 93% |
| Thu | 102 | 88% |
| Fri | 99 | 88% |
| Sat | 84 | 94% |
| Sun | 81 | 86% |
WN flight numbers on PDX → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…