UA 1341 then CA 7326 at San Francisco
Detroit → San Francisco → Chicago O'Hare
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
15:20CA 7326 to Chicago O'Hare leaves the gatealso VA 8104
19 h 49 apart on the timetable, overnight
CA 7326 leaves 19 h 49 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.