AA 5274 then AA 3611 at DFW
Gulfport → Dallas-Fort Worth → Abilene
Timetable, Dallas-Fort Worth time
20:36AA 5274 from Gulfport at the gate
20:30AA 3611 to Abilene leaves the gate
23 h 54 apart on the timetable, overnight
AA 3611 leaves 23 h 54 after AA 5274 arrives on the timetable: more than half a day, so not a connection we count.