DL 696 then WN 4151 at Boston
Salt Lake City → Boston → Baltimore
Timetable, Boston time
06:00DL 696 from Salt Lake City at the gate
18:20WN 4151 to Baltimore leaves the gate
12 h 20 apart on the timetable
WN 4151 leaves 12 h 20 after DL 696 arrives on the timetable: more than half a day, so not a connection we count.