UA 5192 then AA 1782 at O'Hare
Jacksonville → Chicago → Orlando
Timetable, Chicago time
17:30UA 5192 from Jacksonville at the gate
12:48AA 1782 to Orlando leaves the gate
19 h 18 apart on the timetable, overnight
AA 1782 leaves 19 h 18 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.