UA 5935 then UA 489 at Denver
Salt Lake City → Denver → Houston
Timetable, Denver time
20:03UA 5935 from Salt Lake City at the gate
15:35UA 489 to Houston leaves the gate
19 h 32 apart on the timetable, overnight
UA 489 leaves 19 h 32 after UA 5935 arrives on the timetable: more than half a day, so not a connection we count.