AA 517 then VA 8562 at San Francisco
Chicago O'Hare → San Francisco → Las Vegas
Timetable, San Francisco time
11:11AA 517 from Chicago O'Hare at the gatealso QF 4687
08:40VA 8562 to Las Vegas leaves the gate
21 h 29 apart on the timetable, overnight
VA 8562 leaves 21 h 29 after AA 517 arrives on the timetable: more than half a day, so not a connection we count.