AA 4389 then WN 800 at Boston
Columbus (Ohio) → Boston → Baltimore
Timetable, Boston time
13:57AA 4389 from Columbus (Ohio) at the gate
13:20WN 800 to Baltimore leaves the gate
23 h 23 apart on the timetable, overnight
WN 800 leaves 23 h 23 after AA 4389 arrives on the timetable: more than half a day, so not a connection we count.