AA 3963 then AA 2312 at DFW
Laredo → Dallas-Fort Worth → Tulsa
Timetable, Dallas-Fort Worth time
21:00AA 3963 from Laredo at the gate
18:11AA 2312 to Tulsa leaves the gate
21 h 11 apart on the timetable, overnight
AA 2312 leaves 21 h 11 after AA 3963 arrives on the timetable: more than half a day, so not a connection we count.