AA 5640 then AA 3220 at DFW
Gainesville → Dallas-Fort Worth → Boston
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
19:13AA 3220 to Boston leaves the gate
23 h 58 apart on the timetable, overnight
AA 3220 leaves 23 h 58 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.