F9 2072 then WN 1424 at Philadelphia
Raleigh-Durham → Philadelphia → St Louis
Timetable, Philadelphia time
16:24F9 2072 from Raleigh-Durham at the gate
14:45WN 1424 to St Louis leaves the gate
22 h 21 apart on the timetable, overnight
WN 1424 leaves 22 h 21 after F9 2072 arrives on the timetable: more than half a day, so not a connection we count.