Flight OddsWN3396 MDW → STL
Southwest Airlines · Chicago, IL to St. Louis, MO · 50 flights observed, 2026-04-07 to 2026-06-03 · 251 mi
WN3396 covers more than one route in the data window — the stats below are for MDW → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
-2 min
90th percentile
+44 min
Cancellation rate
0%
How often is WN3396 on time?
Across 50 flights on MDW → STL from 2026-04-07 to 2026-06-03, WN3396 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +44 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 35 | 70% |
| 16-30 min | 6 | 12% |
| 31-60 min | 8 | 16% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 21 | 71% | +4 min |
| 2026-05 | 26 | 65% | +10 min |
| 2026-06 | 3 | 100% | -24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 9 | 78% |
| Wed | 9 | 78% |
| Thu | 8 | 75% |
| Fri | 8 | 63% |
| Sat | No data | — |
| Sun | 8 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…