F9 2173 then UA 324 at Atlanta
Fort Lauderdale → Atlanta → Chicago O'Hare
Timetable, Atlanta time
09:09F9 2173 from Fort Lauderdale at the gate
22:00UA 324 to Chicago O'Hare leaves the gate
12 h 51 apart on the timetable
UA 324 leaves 12 h 51 after F9 2173 arrives on the timetable: more than half a day, so not a connection we count.