Schedule: the flights that flew on Tuesday, Oct 20, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
Today
UA 1257 · MIA → SFO
departs 8:00 AM ET · arrives 11:03 AM PT
UA 1257 isn’t flying MIA → SFO today
This listing came from a typical schedule. According to the FAA, UA 1257 flies these legs today: