BA 2954 then OO 377 at San Francisco
Las Vegas → San Francisco → Salt Lake City
Timetable, San Francisco time
12:16BA 2954 from Las Vegas at the gate
10:38OO 377 to Salt Lake City leaves the gate
22 h 22 apart on the timetable, overnight
OO 377 leaves 22 h 22 after BA 2954 arrives on the timetable: more than half a day, so not a connection we count.