WN3905 STL → DCA

Southwest Airlines · St. Louis, MO to Washington, DC · 23 flights observed, 2026-06-04 to 2026-06-30 · 719 mi

WN3905 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
83%
Median delay
-8 min
90th percentile
+21 min
Cancellation rate
0%

How often is WN3905 on time?

Across 23 flights on STL → DCA from 2026-06-04 to 2026-06-30, WN3905 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 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-time1983%
16-30 min29%
31-60 min29%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-062383%-2 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue4100%
Wed3100%
Thu475%
Fri475%
SatNo data—
Sun475%

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