DL 5389 then DL 1939 at Atlanta
Bloomington-Normal → Atlanta → Cancún
Timetable, Atlanta time
19:14DL 5389 from Bloomington-Normal at the gate
18:29DL 1939 to Cancún leaves the gate
23 h 15 apart on the timetable, overnight
DL 1939 leaves 23 h 15 after DL 5389 arrives on the timetable: more than half a day, so not a connection we count.