SK 9502 then WN 2500 at San Francisco
Mexico City → San Francisco → Nashville
Timetable, San Francisco time
11:38SK 9502 from Mexico City at the gate
11:35WN 2500 to Nashville leaves the gate
23 h 57 apart on the timetable, overnight
WN 2500 leaves 23 h 57 after SK 9502 arrives on the timetable: more than half a day, so not a connection we count.