AA 5640 then AA 1366 at DFW
Gainesville → Dallas-Fort Worth → Boston
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
19:01AA 1366 to Boston leaves the gate
23 h 46 apart on the timetable, overnight
AA 1366 leaves 23 h 46 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.