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 3843 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 3843 · LAS → DEN

departs 9:40 PM PT · arrives 12:35 AM MT

Forecast issued Sun 1:00 PM ET · 12h before departure

WN 3843 isn’t flying LAS → DEN today

This listing came from a typical schedule. According to the FAA, WN 3843 flies these legs today:

SMF → LAX · 4:25 PM · scheduled