AA 5640 then AA 1243 at DFW
Gainesville → Dallas-Fort Worth → San Diego
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
18:59AA 1243 to San Diego leaves the gate
23 h 44 apart on the timetable, overnight
AA 1243 leaves 23 h 44 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.