UA 562 then UA 3900 at San Francisco
Palm Springs → San Francisco → Hong Kong
Timetable, San Francisco time
12:43UA 562 from Palm Springs at the gatealso AC 4520, EK 6330, LH 7883
07:00UA 3900 to Hong Kong leaves the gate
18 h 17 apart on the timetable, overnight
UA 3900 leaves 18 h 17 after UA 562 arrives on the timetable: more than half a day, so not a connection we count.