F9 2292 then DL 2597 at Atlanta
Chicago Midway → Atlanta → Montréal
Timetable, Atlanta time
09:31F9 2292 from Chicago Midway at the gate
09:00DL 2597 to Montréal leaves the gate
23 h 29 apart on the timetable, overnight
DL 2597 leaves 23 h 29 after F9 2292 arrives on the timetable: more than half a day, so not a connection we count.