UA 216 then JL 57 at San Francisco
Dallas-Fort Worth → San Francisco → Tokyo Narita
Timetable, San Francisco time
12:42UA 216 from Dallas-Fort Worth at the gatealso AC 3154, VA 8519, NZ 9091
11:45JL 57 to Tokyo Narita leaves the gatealso MH 4405, AS 7315, AA 8410
23 h 03 apart on the timetable, overnight
JL 57 leaves 23 h 03 after UA 216 arrives on the timetable: more than half a day, so not a connection we count.