UA 592 then UA 435 at Newark
Boston → New York → Fort Lauderdale
Timetable, New York time
19:31UA 592 from Boston at the gate
19:17UA 435 to Fort Lauderdale leaves the gate
23 h 46 apart on the timetable, overnight
UA 435 leaves 23 h 46 after UA 592 arrives on the timetable: more than half a day, so not a connection we count.