DL 1147 then AC 502 at O'Hare
Atlanta → Chicago → Toronto Pearson
Timetable, Chicago time
10:25DL 1147 from Atlanta at the gate
10:15AC 502 to Toronto Pearson leaves the gate
23 h 50 apart on the timetable, overnight
AC 502 leaves 23 h 50 after DL 1147 arrives on the timetable: more than half a day, so not a connection we count.