B6 616 then B6 477 at JFK
San Francisco → New York → Jacksonville
Timetable, New York time
07:24B6 616 from San Francisco at the gate
06:55B6 477 to Jacksonville leaves the gate
23 h 31 apart on the timetable, overnight
B6 477 leaves 23 h 31 after B6 616 arrives on the timetable: more than half a day, so not a connection we count.