DL 599 then DL 2959 at Atlanta
Mexico City → Atlanta → Wichita
Timetable, Atlanta time
20:56DL 599 from Mexico City at the gate
20:12DL 2959 to Wichita leaves the gate
23 h 16 apart on the timetable, overnight
DL 2959 leaves 23 h 16 after DL 599 arrives on the timetable: more than half a day, so not a connection we count.