AA 5640 then AA 6503 at DFW
Gainesville → Dallas-Fort Worth → Flagstaff
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
19:05AA 6503 to Flagstaff leaves the gate
23 h 50 apart on the timetable, overnight
AA 6503 leaves 23 h 50 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.