F9 2538 then G4 461 at Philadelphia
Tampa → Philadelphia → Des Moines
Timetable, Philadelphia time
12:34F9 2538 from Tampa at the gate
12:12G4 461 to Des Moines leaves the gate
23 h 38 apart on the timetable, overnight
G4 461 leaves 23 h 38 after F9 2538 arrives on the timetable: more than half a day, so not a connection we count.