AV 2183 then BA 1782 at San Francisco
Vancouver → San Francisco → Chicago O'Hare
Timetable, San Francisco time
15:27AV 2183 from Vancouver at the gate
14:18BA 1782 to Chicago O'Hare leaves the gatealso AA 1948, AY 4140
22 h 51 apart on the timetable, overnight
BA 1782 leaves 22 h 51 after AV 2183 arrives on the timetable: more than half a day, so not a connection we count.