AA 4414 then G4 3473 at Boston
Madison → Boston → Fort Lauderdale
Timetable, Boston time
12:36AA 4414 from Madison at the gate
12:34G4 3473 to Fort Lauderdale leaves the gate
23 h 58 apart on the timetable, overnight
G4 3473 leaves 23 h 58 after AA 4414 arrives on the timetable: more than half a day, so not a connection we count.