AA 5640 then AA 574 at DFW
Gainesville → Dallas-Fort Worth → Buffalo
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
18:54AA 574 to Buffalo leaves the gate
23 h 39 apart on the timetable, overnight
AA 574 leaves 23 h 39 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.