Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4921 SCHEDULED · TYPICAL SCHEDULE

Friday, October 2 Today

WN 4921 · LAX → SMF

departs 9:05 PM PT · arrives 10:30 PM PT

Forecast issued Fri 10:00 PM ET · 2h before departure

WN 4921 isn’t flying LAX → SMF today

This listing came from a typical schedule. According to the FAA, WN 4921 flies these legs today:

SMF → SAN · 9:57 PM · in the air
SMF → SAN · 10:13 PM · scheduled