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 3811 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 1 Today

WN 3811 · DEN → COS

departs 8:55 PM MT · arrives 9:50 PM MT

Forecast issued Thu 7:00 PM ET · 4h before departure

WN 3811 isn’t flying DEN → COS today

This listing came from a typical schedule. According to the FAA, WN 3811 flies these legs today:

SJC → LAS · 2:45 PM · scheduled