DL 905 then DL 1293 at Atlanta
Salt Lake City → Atlanta → Boston
Timetable, Atlanta time
23:00DL 905 from Salt Lake City at the gate
12:30DL 1293 to Boston leaves the gate
13 h 30 apart on the timetable, overnight
DL 1293 leaves 13 h 30 after DL 905 arrives on the timetable: more than half a day, so not a connection we count.