AC 4683 then WN 2386 at San Francisco
Spokane → San Francisco → Las Vegas
Timetable, San Francisco time
15:35AC 4683 from Spokane at the gate
10:05WN 2386 to Las Vegas leaves the gate
18 h 30 apart on the timetable, overnight
WN 2386 leaves 18 h 30 after AC 4683 arrives on the timetable: more than half a day, so not a connection we count.