B6 1285 then B6 223 at JFK
Rochester → New York → Los Angeles
Timetable, New York time
08:29B6 1285 from Rochester at the gate
08:00B6 223 to Los Angeles leaves the gate
23 h 31 apart on the timetable, overnight
B6 223 leaves 23 h 31 after B6 1285 arrives on the timetable: more than half a day, so not a connection we count.