AA 5274 then AA 2312 at DFW
Gulfport → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
20:36AA 5274 from Gulfport at the gate
18:11AA 2312 to Tulsa leaves the gate
21 h 35 apart on the timetable, overnight
AA 2312 leaves 21 h 35 after AA 5274 arrives on the timetable: more than half a day, so not a connection we count.