B6 1488 then WN 1957 at Boston
Los Angeles → Boston → Baltimore
Timetable, Boston time
06:51B6 1488 from Los Angeles at the gate
19:45WN 1957 to Baltimore leaves the gate
12 h 54 apart on the timetable
WN 1957 leaves 12 h 54 after B6 1488 arrives on the timetable: more than half a day, so not a connection we count.