UA 5192 then AA 1625 at O'Hare
Jacksonville → Chicago → Pensacola
Timetable, Chicago time
17:30UA 5192 from Jacksonville at the gate
11:54AA 1625 to Pensacola leaves the gate
18 h 24 apart on the timetable, overnight
AA 1625 leaves 18 h 24 after UA 5192 arrives on the timetable: more than half a day, so not a connection we count.