DL 1069 then F9 1441 at Atlanta
Houston → Atlanta → Chicago O'Hare
Timetable, Atlanta time
08:34DL 1069 from Houston at the gate
07:58F9 1441 to Chicago O'Hare leaves the gate
23 h 24 apart on the timetable, overnight
F9 1441 leaves 23 h 24 after DL 1069 arrives on the timetable: more than half a day, so not a connection we count.