B6 423 then CI 5153 at LAX
New York JFK → Los Angeles → Tokyo Narita
Timetable, Los Angeles time
14:16B6 423 from New York JFK at the gate
12:35CI 5153 to Tokyo Narita leaves the gate
22 h 19 apart on the timetable, overnight
CI 5153 leaves 22 h 19 after B6 423 arrives on the timetable: more than half a day, so not a connection we count.