AA 1692 then UA 3616 at Newark
Miami → New York → St Louis
Timetable, New York time
11:36AA 1692 from Miami at the gate
07:00UA 3616 to St Louis leaves the gate
19 h 24 apart on the timetable, overnight
UA 3616 leaves 19 h 24 after AA 1692 arrives on the timetable: more than half a day, so not a connection we count.