WN4241 STL → DCA

Southwest Airlines · St. Louis, MO to Washington, DC · 50 flights observed, 2025-08-05 to 2025-10-01 · 719 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 56% on Wednesdays.

WN4241 covers more than one route in the data window — the stats below are for STL → DCA, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
86%
Median delay
-4 min
90th percentile
+21 min
Cancellation rate
0%

How often is WN4241 on time?

Across 50 flights on STL → DCA from 2025-08-05 to 2025-10-01, WN4241 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +21 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4286%
16-30 min36%
31-60 min48%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082291%-4 min
2025-092685%+3 min
2025-1010%+17 min

Performance by day of week

DayFlightsOn-time
Mon7100%
Tue978%
Wed956%
Thu888%
Fri8100%
Sat8100%
SunNo data—

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