Flight OddsPWM → MDW Southwest Airlines
Southwest Airlines · Portland, ME to Chicago, IL · 151 flights, 2025-07-01 to 2026-06-30 · aggregated across 8 flight numbers
On-time arrival
84%
Median delay
-6 min
90th percentile
+42 min
Cancellation rate
2%
How on-time is Southwest Airlines from PWM to MDW?
Across every Southwest Airlines flight number on PWM → MDW (151 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +42 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 123 | 84% |
| 16-30 min | 4 | 3% |
| 31-60 min | 7 | 5% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 4 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 43% | +36 min |
| 2025-08 | 30 | 90% | -2 min |
| 2025-09 | 30 | 97% | -2 min |
| 2025-10 | 31 | 94% | +4 min |
| 2025-11 | 1 | 100% | -22 min |
| 2026-06 | 27 | 93% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 21 | 81% |
| Tue | 21 | 95% |
| Wed | 21 | 90% |
| Thu | 21 | 81% |
| Fri | 22 | 77% |
| Sat | 21 | 76% |
| Sun | 20 | 85% |
WN flight numbers on PWM → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…