UA 5192 then AA 1936 at O'Hare
Jacksonville → Chicago → Newark
Timetable, Chicago time
17:30UA 5192 from Jacksonville at the gate
13:14AA 1936 to Newark leaves the gate
19 h 44 apart on the timetable, overnight
AA 1936 leaves 19 h 44 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.