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.

UNITED · FLIGHT UA 1578 SCHEDULED · TYPICAL SCHEDULE

Saturday, October 3 Yesterday

UA 1578 · SEA → SFO

departs 7:00 AM PT · arrives 9:18 AM PT

Forecast issued Sat 10:00 PM ET · 12h after departure

UA 1578 isn’t flying SEA → SFO on Sat, Oct 3

This listing came from a typical schedule. According to the FAA, UA 1578 flies these legs that day:

SFO → SBA · 11:01 AM · scheduled
SFO → SBA · 11:39 AM · landed