Schedule: the flights that flew on Wednesday, Oct 21, 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

Wednesday, October 28 Tomorrow

UA 1257 · MIA → SFO

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

Forecast issued Tue 2:00 AM ET · 30h before departure

UA 1257 isn’t flying MIA → SFO on Wed, Oct 28

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

SFO → SAN · 12:15 PM · scheduled
SFO → SAN · 12:28 PM · scheduled