AA 1849 then QF 3791 at San Francisco
Dallas-Fort Worth → San Francisco → Las Vegas
Timetable, San Francisco time
10:16AA 1849 from Dallas-Fort Worth at the gate
10:00QF 3791 to Las Vegas leaves the gate
23 h 44 apart on the timetable, overnight
QF 3791 leaves 23 h 44 after AA 1849 arrives on the timetable: more than half a day, so not a connection we count.