Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 645 SCHEDULED · TYPICAL SCHEDULE

Saturday, October 3 Yesterday

UA 645 · TPA → DEN

departs 12:45 PM ET · arrives 2:47 PM MT

Forecast issued Sat 10:00 PM ET · 9h after departure

UA 645 isn’t flying TPA → DEN on Sat, Oct 3

This listing came from a typical schedule. According to the FAA, UA 645 flies these legs that day:

DEN → FSD · 6:01 PM · landed
DEN → FSD · 6:23 PM · scheduled
DEN → FSD · 6:28 PM · landed