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.

UNITED · FLIGHT UA 1257 SCHEDULED · TYPICAL SCHEDULE

Friday, October 2 Yesterday

UA 1257 · MIA → SFO

departs 8:00 AM ET · arrives 11:03 AM PT

Forecast issued Fri 10:00 PM ET · 14h after departure

UA 1257 isn’t flying MIA → SFO on Fri, Oct 2

This listing came from a typical schedule. According to the FAA, UA 1257 flies these legs that day:

SFO → SAN · 12:06 PM · scheduled