WN2523 STL → BWI
Southwest Airlines · St. Louis, MO to Baltimore, MD · 28 flights observed, 2026-03-05 to 2026-04-06 · 738 mi
WN2523 covers more than one route in the data window — the stats below are for STL → BWI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
0 min
90th percentile
+54 min
Cancellation rate
4%
How often is WN2523 on time?
Across 28 flights on STL → BWI from 2026-03-05 to 2026-04-06, WN2523 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +54 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 19 | 73% |
| 16-30 min | 3 | 12% |
| 31-60 min | 1 | 4% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 21 | 67% | +21 min |
| 2026-04 | 5 | 100% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 75% |
| Wed | 4 | 100% |
| Thu | 5 | 60% |
| Fri | 4 | 50% |
| Sat | 5 | 80% |
| Sun | No data | — |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…