WN3477 LAX → STL

Southwest Airlines · Los Angeles, CA to St. Louis, MO · 24 flights observed, 2025-08-07 to 2025-09-29 · 1,592 mi

This flight's reliability varies a lot by day of week — 75% on-time on Fridays vs. 25% on Mondays.

WN3477 covers more than one route in the data window — the stats below are for LAX → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
54%
Median delay
+12 min
90th percentile
+86 min
Cancellation rate
0%

How often is WN3477 on time?

Across 24 flights on LAX → STL from 2025-08-07 to 2025-09-29, WN3477 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +86 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1354%
16-30 min417%
31-60 min313%
61-120 min28%
2+ hrs28%

Performance by month

MonthFlightsOn-timeAvg delay
2025-081164%+11 min
2025-091346%+33 min

Performance by day of week

DayFlightsOn-time
Mon825%
TueNo data—
WedNo data—
Thu863%
Fri875%
SatNo data—
SunNo data—

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