AV 2183 then AA 2642 at San Francisco
Vancouver → San Francisco → Chicago O'Hare
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
15:18AA 2642 to Chicago O'Hare leaves the gatealso BA 5612, GF 6849
23 h 51 apart on the timetable, overnight
AA 2642 leaves 23 h 51 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.