AC 4121 then WN 2500 at San Francisco
Ontario → San Francisco → Nashville
Timetable, San Francisco time
17:50AC 4121 from Ontario at the gate
11:35WN 2500 to Nashville leaves the gate
17 h 45 apart on the timetable, overnight
WN 2500 leaves 17 h 45 after AC 4121 arrives on the timetable: more than half a day, so not a connection we count.