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 3641 SCHEDULED · TYPICAL SCHEDULE

Saturday, October 3 Today

WN 3641 · SFO → DEN

departs 1:50 PM PT · arrives 5:25 PM MT

Forecast issued Sat 12:00 PM ET · 5h before departure

WN 3641 isn’t flying SFO → DEN today

This listing came from a typical schedule. According to the FAA, WN 3641 flies these legs today:

SAN → DEN · 7:13 AM · scheduled
SAN → DEN · 7:28 AM · landed
SAN → DEN · 6:26 AM · scheduled