WN3911 STL → BWI

Southwest Airlines · St. Louis, MO to Baltimore, MD · 12 flights observed, 2025-10-05 to 2025-10-29 · 738 mi

WN3911 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
92%
Median delay
-7 min
90th percentile
+9 min
Cancellation rate
0%

How often is WN3911 on time?

Across 12 flights on STL → BWI from 2025-10-05 to 2025-10-29, WN3911 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +9 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1192%
16-30 min18%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-101292%-7 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue4100%
Wed4100%
ThuNo data—
FriNo data—
SatNo data—
Sun475%

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