AA 5801 then B6 1860 at Philadelphia
Harrisburg → Philadelphia → Boston
Timetable, Philadelphia time
15:52AA 5801 from Harrisburg at the gate
15:35B6 1860 to Boston leaves the gate
23 h 43 apart on the timetable, overnight
B6 1860 leaves 23 h 43 after AA 5801 arrives on the timetable: more than half a day, so not a connection we count.