AA 3639 then AA 1429 at DFW
Dayton → Dallas-Fort Worth → Fort Lauderdale
Timetable, Dallas-Fort Worth time
08:01AA 3639 from Dayton at the gate
20:11AA 1429 to Fort Lauderdale leaves the gate
12 h 10 apart on the timetable
AA 1429 leaves 12 h 10 after AA 3639 arrives on the timetable: more than half a day, so not a connection we count.