UA 6047 then DL 1306 at O'Hare
Pittsburgh → Chicago → Minneapolis
Timetable, Chicago time
20:31UA 6047 from Pittsburgh at the gate
17:42DL 1306 to Minneapolis leaves the gate
21 h 11 apart on the timetable, overnight
DL 1306 leaves 21 h 11 after UA 6047 arrives on the timetable: more than half a day, so not a connection we count.