F9 2206 then UA 3376 at O'Hare
Fort Lauderdale → Chicago → St Louis
Timetable, Chicago time
15:37F9 2206 from Fort Lauderdale at the gate
11:00UA 3376 to St Louis leaves the gate
19 h 23 apart on the timetable, overnight
UA 3376 leaves 19 h 23 after F9 2206 arrives on the timetable: more than half a day, so not a connection we count.