DL 1634 then FX 1627 at O'Hare
Los Angeles → Chicago → Indianapolis
Timetable, Chicago time
23:55DL 1634 from Los Angeles at the gate
23:14FX 1627 to Indianapolis leaves the gate
23 h 19 apart on the timetable, overnight
FX 1627 leaves 23 h 19 after DL 1634 arrives on the timetable: more than half a day, so not a connection we count.