F9 9073 then DL 1139 at Atlanta
Northwest Arkansas → Atlanta → Chicago O'Hare
Timetable, Atlanta time
23:11F9 9073 from Northwest Arkansas at the gate
19:20DL 1139 to Chicago O'Hare leaves the gate
20 h 09 apart on the timetable, overnight
DL 1139 leaves 20 h 09 after F9 9073 arrives on the timetable: more than half a day, so not a connection we count.