AA 3997 then AA 5381 at DFW
Longview → Dallas-Fort Worth → Midland
Timetable, Dallas-Fort Worth time
07:21AA 3997 from Longview at the gate
21:21AA 5381 to Midland leaves the gate
14 h apart on the timetable
AA 5381 leaves 14 h after AA 3997 arrives on the timetable: more than half a day, so not a connection we count.