AA 1363 then AA 3735 at DFW
St Louis → Dallas-Fort Worth → Gainesville
Timetable, Dallas-Fort Worth time
17:21AA 1363 from St Louis at the gate
08:30AA 3735 to Gainesville leaves the gate
15 h 09 apart on the timetable, overnight
AA 3735 leaves 15 h 09 after AA 1363 arrives on the timetable: more than half a day, so not a connection we count.