F9 4409 then DL 2745 at Atlanta
Washington → Atlanta → Valparaiso
Timetable, Atlanta time
23:13F9 4409 from Washington at the gate
23:05DL 2745 to Valparaiso leaves the gate
23 h 52 apart on the timetable, overnight
DL 2745 leaves 23 h 52 after F9 4409 arrives on the timetable: more than half a day, so not a connection we count.