AV 2183 then UA 3797 at San Francisco
Vancouver → San Francisco → Louisville
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
14:45UA 3797 to Louisville leaves the gate
23 h 18 apart on the timetable, overnight
UA 3797 leaves 23 h 18 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.