DL 937 then DL 8844 at Atlanta
Tucson → Atlanta → Detroit
Timetable, Atlanta time
20:31DL 937 from Tucson at the gate
09:28DL 8844 to Detroit leaves the gate
12 h 57 apart on the timetable, overnight
DL 8844 leaves 12 h 57 after DL 937 arrives on the timetable: more than half a day, so not a connection we count.