UA 810 then UA 3917 at San Francisco
Manila → San Francisco → Las Vegas
Timetable, San Francisco time
20:00UA 810 from Manila at the gate
16:45UA 3917 to Las Vegas leaves the gate
20 h 45 apart on the timetable, overnight
UA 3917 leaves 20 h 45 after UA 810 arrives on the timetable: more than half a day, so not a connection we count.