AA 2897 then AA 2695 at DFW
St Louis → Dallas-Fort Worth → Chattanooga
Timetable, Dallas-Fort Worth time
12:28AA 2897 from St Louis at the gate
12:20AA 2695 to Chattanooga leaves the gate
23 h 52 apart on the timetable, overnight
AA 2695 leaves 23 h 52 after AA 2897 arrives on the timetable: more than half a day, so not a connection we count.