AV 2183 then UA 488 at San Francisco
Vancouver → San Francisco → Nashville
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
12:40UA 488 to Nashville leaves the gatealso VA 8170
21 h 13 apart on the timetable, overnight
UA 488 leaves 21 h 13 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.