DL 696 then DL 5619 at Boston
Salt Lake City → Boston → Milwaukee
Timetable, Boston time
06:00DL 696 from Salt Lake City at the gate
18:30DL 5619 to Milwaukee leaves the gate
12 h 30 apart on the timetable
DL 5619 leaves 12 h 30 after DL 696 arrives on the timetable: more than half a day, so not a connection we count.