DL 2522 then DL 2597 at Atlanta
New Orleans → Atlanta → Montréal
Timetable, Atlanta time
10:15DL 2522 from New Orleans at the gate
09:00DL 2597 to Montréal leaves the gate
22 h 45 apart on the timetable, overnight
DL 2597 leaves 22 h 45 after DL 2522 arrives on the timetable: more than half a day, so not a connection we count.