AA 1310 then UA 4743 at Denver
Miami → Denver → Salt Lake City
Timetable, Denver time
11:30AA 1310 from Miami at the gate
08:00UA 4743 to Salt Lake City leaves the gate
20 h 30 apart on the timetable, overnight
UA 4743 leaves 20 h 30 after AA 1310 arrives on the timetable: more than half a day, so not a connection we count.