AA 5640 then AA 1355 at DFW
Gainesville → Dallas-Fort Worth → Oklahoma City
Timetable, Dallas-Fort Worth time
19:15AA 5640 from Gainesville at the gate
13:11AA 1355 to Oklahoma City leaves the gate
17 h 56 apart on the timetable, overnight
AA 1355 leaves 17 h 56 after AA 5640 arrives on the timetable: more than half a day, so not a connection we count.