WN2523 STL → BWI

Southwest Airlines · St. Louis, MO to Baltimore, MD · 28 flights observed, 2026-03-05 to 2026-04-06 · 738 mi

This flight has been getting more reliable recently — 2026-04's on-time rate (100%) is well above the 67% average from earlier months.

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).

ArrivalFlightsShare
Early / on-time1973%
16-30 min312%
31-60 min14%
61-120 min28%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032167%+21 min
2026-045100%-3 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue475%
Wed4100%
Thu560%
Fri450%
Sat580%
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…