Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3937 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 3937 · STL → LAX

departs 8:25 AM CT · arrives 10:20 AM PT

Forecast issued Sat 11:00 PM ET · 10h before departure

WN 3937 isn’t flying STL → LAX today

This listing came from a typical schedule. According to the FAA, WN 3937 flies these legs today:

SAN → DAL · 12:43 PM · landed
BWI → SDF · 8:20 AM · scheduled