DL 1007 then WN 4257 at Atlanta
Washington National → Atlanta → Indianapolis
Timetable, Atlanta time
21:41DL 1007 from Washington National at the gate
11:55WN 4257 to Indianapolis leaves the gate
14 h 14 apart on the timetable, overnight
WN 4257 leaves 14 h 14 after DL 1007 arrives on the timetable: more than half a day, so not a connection we count.