UA 1341 then EK 6373 at San Francisco
Detroit → San Francisco → Chicago O'Hare
Timetable, San Francisco time
19:31UA 1341 from Detroit at the gatealso OZ 9538
16:10EK 6373 to Chicago O'Hare leaves the gate
20 h 39 apart on the timetable, overnight
EK 6373 leaves 20 h 39 after UA 1341 arrives on the timetable: more than half a day, so not a connection we count.