AV 2183 then LH 7871 at San Francisco
Vancouver → San Francisco → Chicago O'Hare
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
14:00LH 7871 to Chicago O'Hare leaves the gate
22 h 33 apart on the timetable, overnight
LH 7871 leaves 22 h 33 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.