DL 2629 then DL 1892 at Atlanta
Montréal → Atlanta → Chattanooga
Timetable, Atlanta time
15:35DL 2629 from Montréal at the gate
14:30DL 1892 to Chattanooga leaves the gate
22 h 55 apart on the timetable, overnight
DL 1892 leaves 22 h 55 after DL 2629 arrives on the timetable: more than half a day, so not a connection we count.