WN3732 STL → MDW
Southwest Airlines · St. Louis, MO to Chicago, IL · 21 flights observed, 2025-11-02 to 2026-01-05 · 251 mi
WN3732 covers more than one route in the data window — the stats below are for STL → MDW, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-3 min
90th percentile
+39 min
Cancellation rate
5%
How often is WN3732 on time?
Across 21 flights on STL → MDW from 2025-11-02 to 2026-01-05, WN3732 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +39 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 75% |
| 16-30 min | 1 | 5% |
| 31-60 min | 3 | 15% |
| 61-120 min | 1 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 13 | 77% | 0 min |
| 2025-12 | 6 | 67% | +20 min |
| 2026-01 | 1 | 100% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 67% |
| Fri | 4 | 100% |
| Sat | 4 | 50% |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…