DL 5728 then G4 3473 at Boston
New York LaGuardia → Boston → Fort Lauderdale
Timetable, Boston time
11:25DL 5728 from New York LaGuardia at the gate
10:19G4 3473 to Fort Lauderdale leaves the gate
22 h 54 apart on the timetable, overnight
G4 3473 leaves 22 h 54 after DL 5728 arrives on the timetable: more than half a day, so not a connection we count.