AA 3407 then AA 2312 at DFW
Harlingen → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
20:28AA 3407 from Harlingen at the gate
18:11AA 2312 to Tulsa leaves the gate
21 h 43 apart on the timetable, overnight
AA 2312 leaves 21 h 43 after AA 3407 arrives on the timetable: more than half a day, so not a connection we count.