UA 561 then JL 57 at San Francisco
Kansas City → San Francisco → Tokyo Narita
Timetable, San Francisco time
20:10UA 561 from Kansas City at the gatealso OZ 6318, NZ 9502
11:45JL 57 to Tokyo Narita leaves the gatealso MH 4405, AS 7315, AA 8410
15 h 35 apart on the timetable, overnight
JL 57 leaves 15 h 35 after UA 561 arrives on the timetable: more than half a day, so not a connection we count.