DL 1449 then DL 598 at Atlanta
Kansas City → Atlanta → Cancún
Timetable, Atlanta time
11:08DL 1449 from Kansas City at the gate
11:02DL 598 to Cancún leaves the gate
23 h 54 apart on the timetable, overnight
DL 598 leaves 23 h 54 after DL 1449 arrives on the timetable: more than half a day, so not a connection we count.