DL 2975 then CI 5153 at LAX
Portland (Oregon) → Los Angeles → Tokyo Narita
Timetable, Los Angeles time
13:23DL 2975 from Portland (Oregon) at the gate
12:35CI 5153 to Tokyo Narita leaves the gate
23 h 12 apart on the timetable, overnight
CI 5153 leaves 23 h 12 after DL 2975 arrives on the timetable: more than half a day, so not a connection we count.