PD 6428 then VA 8118 at San Francisco
Chicago O'Hare → San Francisco → Las Vegas
Timetable, San Francisco time
16:19PD 6428 from Chicago O'Hare at the gate
08:35VA 8118 to Las Vegas leaves the gate
16 h 16 apart on the timetable, overnight
VA 8118 leaves 16 h 16 after PD 6428 arrives on the timetable: more than half a day, so not a connection we count.