Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3815 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Today

WN 3815 · SMF → PHX

departs 5:15 AM PT · arrives 7:05 AM MT

Forecast issued Wed 8:00 AM ET · 0h before departure

WN 3815 isn’t flying SMF → PHX today

This listing came from a typical schedule. According to the FAA, WN 3815 flies these legs today:

DEN → SLC · 4:14 PM · scheduled
DEN → SLC · 4:30 PM · landed
DEN → SLC · 4:17 PM · scheduled