AA 3997 then AA 1429 at DFW
Longview → Dallas-Fort Worth → Fort Lauderdale
Timetable, Dallas-Fort Worth time
07:21AA 3997 from Longview at the gate
20:11AA 1429 to Fort Lauderdale leaves the gate
12 h 50 apart on the timetable
AA 1429 leaves 12 h 50 after AA 3997 arrives on the timetable: more than half a day, so not a connection we count.