Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
UA 643 · LAS → SFO
departs 6:00 AM PT · arrives 7:35 AM PT
UA 643 isn’t flying LAS → SFO on Thu, Oct 1
This listing came from a typical schedule. According to the FAA, UA 643 flies these legs that day:
- SNA → IAH · 3:27 PM · scheduled