AA 1953 then AA 635 at Miami
St Louis → Miami → Phoenix
Timetable, Miami time
22:05AA 1953 from St Louis at the gate
21:46AA 635 to Phoenix leaves the gate
23 h 41 apart on the timetable, overnight
AA 635 leaves 23 h 41 after AA 1953 arrives on the timetable: more than half a day, so not a connection we count.