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 3857 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 3857 · SNA → PHX

departs 9:10 PM PT · arrives 10:35 PM MT

Forecast issued Sun 11:00 AM ET · 13h before departure

WN 3857 isn’t flying SNA → PHX today

This listing came from a typical schedule. According to the FAA, WN 3857 flies these legs today:

BNA → DAL · 8:15 PM · scheduled