Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3831 SCHEDULED · TYPICAL SCHEDULE

Saturday, October 3 Today

WN 3831 · SMF → SNA

departs 11:30 AM PT · arrives 1:00 PM PT

Forecast issued Sat 2:00 AM ET · 12h before departure

WN 3831 isn’t flying SMF → SNA today

This listing came from a typical schedule. According to the FAA, WN 3831 flies these legs today:

SJC → PDX · 10:44 PM · landed
SJC → PDX · 10:52 PM · scheduled