Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 523 SCHEDULED · TYPICAL SCHEDULE

Tuesday, September 29 Yesterday

WN 523 · LGA → STL

departs 6:30 AM ET · arrives 8:05 AM CT

Forecast issued Tue 10:00 PM ET · 16h after departure

WN 523 isn’t flying LGA → STL on Tue, Sep 29

This listing came from a typical schedule. According to the FAA, WN 523 flies these legs that day:

DEN → GRR · 12:17 PM · landed
GRR → MDW · 5:24 PM · landed
DEN → MCI · 2:53 PM · scheduled
DEN → MCI · 3:06 PM · landed