Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3979 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 1 Today

WN 3979 · STL → SAT

departs 10:15 PM CT · arrives 12:25 AM CT

Forecast issued Thu 1:00 PM ET · 10h before departure

WN 3979 isn’t flying STL → SAT today

This listing came from a typical schedule. According to the FAA, WN 3979 flies these legs today:

SMF → SNA · 11:42 AM · scheduled