DL 2894 then AC 7305 at Atlanta
Chicago O'Hare → Atlanta → Toronto
Timetable, Atlanta time
16:25DL 2894 from Chicago O'Hare at the gate
16:00AC 7305 to Toronto leaves the gate
23 h 35 apart on the timetable, overnight
AC 7305 leaves 23 h 35 after DL 2894 arrives on the timetable: more than half a day, so not a connection we count.