DL 5733 then G4 3473 at Boston
New York JFK → Boston → Fort Lauderdale
Timetable, Boston time
11:10DL 5733 from New York JFK at the gate
10:19G4 3473 to Fort Lauderdale leaves the gate
23 h 09 apart on the timetable, overnight
G4 3473 leaves 23 h 09 after DL 5733 arrives on the timetable: more than half a day, so not a connection we count.