Flight OddsWN1253 STL → MDW
Southwest Airlines · St. Louis, MO to Chicago, IL · 13 flights observed, 2025-11-25 to 2026-01-04 · 251 mi
WN1253 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
58%
Median delay
-2 min
90th percentile
+91 min
Cancellation rate
8%
How often is WN1253 on time?
Across 13 flights on STL → MDW from 2025-11-25 to 2026-01-04, WN1253 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was -2 min, and the worst 10% of flights arrived +91 min or later. 8% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 7 | 58% |
| 16-30 min | 1 | 8% |
| 31-60 min | 0 | 0% |
| 61-120 min | 3 | 25% |
| 2+ hrs | 1 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 1 | 100% | -12 min |
| 2025-12 | 9 | 44% | +48 min |
| 2026-01 | 2 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 2 | 50% |
| Wed | 1 | 100% |
| Thu | No data | — |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…