AV 2150 then VN 99 at San Francisco
Los Angeles → San Francisco → Ho Chi Minh City
Timetable, San Francisco time
07:30AV 2150 from Los Angeles at the gate
21:10VN 99 to Ho Chi Minh City leaves the gate
13 h 40 apart on the timetable
VN 99 leaves 13 h 40 after AV 2150 arrives on the timetable: more than half a day, so not a connection we count.