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 1604 SCHEDULED · TYPICAL SCHEDULE

Friday, October 2 Yesterday

UA 1604 · SFO → DEN

departs 10:40 AM PT · arrives 2:23 PM MT

Forecast issued Fri 10:00 PM ET · 8h after departure

UA 1604 isn’t flying SFO → DEN on Fri, Oct 2

This listing came from a typical schedule. According to the FAA, UA 1604 flies these legs that day:

RDU → SFO · 6:35 AM · scheduled
RDU → SFO · 6:46 AM · landed