SV 21 then B6 477 at JFK
Jeddah → New York → Jacksonville
Timetable, New York time
09:00SV 21 from Jeddah at the gate
06:55B6 477 to Jacksonville leaves the gate
21 h 55 apart on the timetable, overnight
B6 477 leaves 21 h 55 after SV 21 arrives on the timetable: more than half a day, so not a connection we count.