F9 1441 then UA 2137 at O'Hare
Atlanta → Chicago → Fort Myers
Timetable, Chicago time
12:51F9 1441 from Atlanta at the gate
10:43UA 2137 to Fort Myers leaves the gate
21 h 52 apart on the timetable, overnight
UA 2137 leaves 21 h 52 after F9 1441 arrives on the timetable: more than half a day, so not a connection we count.