OZ 6402 then UA 3774 at San Francisco
Seattle → San Francisco → Las Vegas
Timetable, San Francisco time
19:38OZ 6402 from Seattle at the gate
09:45UA 3774 to Las Vegas leaves the gate
14 h 07 apart on the timetable, overnight
UA 3774 leaves 14 h 07 after OZ 6402 arrives on the timetable: more than half a day, so not a connection we count.