Flight OddsWN4338 PWM → MDW
Southwest Airlines · Portland, ME to Chicago, IL · 35 flights observed, 2025-07-01 to 2025-08-04 · 895 mi
WN4338 covers more than one route in the data window — the stats below are for PWM → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
47%
Median delay
+23 min
90th percentile
+88 min
Cancellation rate
9%
How often is WN4338 on time?
Across 35 flights on PWM → MDW from 2025-07-01 to 2025-08-04, WN4338 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +23 min, and the worst 10% of flights arrived +88 min or later. 9% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 47% |
| 16-30 min | 2 | 6% |
| 31-60 min | 6 | 19% |
| 61-120 min | 7 | 22% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 43% | +36 min |
| 2025-08 | 4 | 75% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 4 | 75% |
| Wed | 5 | 60% |
| Thu | 4 | 25% |
| Fri | 5 | 40% |
| Sat | 5 | 40% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…