AA 3271 then WN 2366 at Boston
New York LaGuardia → Boston → Baltimore
Timetable, Boston time
16:45AA 3271 from New York LaGuardia at the gate
15:30WN 2366 to Baltimore leaves the gate
22 h 45 apart on the timetable, overnight
WN 2366 leaves 22 h 45 after AA 3271 arrives on the timetable: more than half a day, so not a connection we count.