DL 1221 then DL 830 at Atlanta
Milwaukee → Atlanta → Salt Lake City
Timetable, Atlanta time
08:23DL 1221 from Milwaukee at the gate
08:05DL 830 to Salt Lake City leaves the gate
23 h 42 apart on the timetable, overnight
DL 830 leaves 23 h 42 after DL 1221 arrives on the timetable: more than half a day, so not a connection we count.