SK 9502 then OO 377 at San Francisco
Mexico City → San Francisco → Salt Lake City
Timetable, San Francisco time
11:38SK 9502 from Mexico City at the gate
10:38OO 377 to Salt Lake City leaves the gate
23 h apart on the timetable, overnight
OO 377 leaves 23 h after SK 9502 arrives on the timetable: more than half a day, so not a connection we count.