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 4879 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

WN 4879 · SJC → ONT

departs 6:00 AM PT · arrives 7:20 AM PT

Forecast issued Sun 5:00 AM ET · 4h before departure

WN 4879 isn’t flying SJC → ONT today

This listing came from a typical schedule. According to the FAA, WN 4879 flies these legs today:

BNA → PHL · 10:15 AM · scheduled