AA 5640 then AA 680 at DFW
Gainesville → Dallas-Fort Worth → Pittsburgh
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
19:10AA 680 to Pittsburgh leaves the gate
23 h 55 apart on the timetable, overnight
AA 680 leaves 23 h 55 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.