AA 1739 then JL 311 at Philadelphia
St Louis → Philadelphia → Wilmington (ILG)
Timetable, Philadelphia time
14:40AA 1739 from St Louis at the gate
13:30JL 311 to Wilmington (ILG) leaves the gate
22 h 50 apart on the timetable, overnight
JL 311 leaves 22 h 50 after AA 1739 arrives on the timetable: more than half a day, so not a connection we count.