DL 905 then DL 726 at Atlanta
Salt Lake City → Atlanta → Boston
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
13:50DL 726 to Boston leaves the gate
14 h 50 apart on the timetable, overnight
DL 726 leaves 14 h 50 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.