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 643 SCHEDULED · TYPICAL SCHEDULE

Wednesday, October 28 Tomorrow

UA 643 · LAS → SFO

departs 5:40 AM PT · arrives 7:26 AM PT

Forecast issued Tue 3:00 AM ET · 30h before departure

UA 643 isn’t flying LAS → SFO on Wed, Oct 28

This listing came from a typical schedule. According to the FAA, UA 643 flies these legs that day:

SNA → IAH · 3:11 PM · scheduled